diff --git a/api/openapi-spec/swagger.json b/api/openapi-spec/swagger.json
index 6923189b68e..050efa56d84 100644
--- a/api/openapi-spec/swagger.json
+++ b/api/openapi-spec/swagger.json
@@ -3864,7 +3864,7 @@
         },
         "spec": {
           "$ref": "#/definitions/io.k8s.api.certificates.v1.CertificateSigningRequestSpec",
-          "description": "spec contains the certificate request, and is immutable after creation. Only the request, signerName, and usages fields can be set on creation. Other fields are derived by Kubernetes and cannot be modified by users."
+          "description": "spec contains the certificate request, and is immutable after creation. Only the request, signerName, expirationSeconds, and usages fields can be set on creation. Other fields are derived by Kubernetes and cannot be modified by users."
         },
         "status": {
           "$ref": "#/definitions/io.k8s.api.certificates.v1.CertificateSigningRequestStatus",
@@ -3954,6 +3954,11 @@
     "io.k8s.api.certificates.v1.CertificateSigningRequestSpec": {
       "description": "CertificateSigningRequestSpec contains the certificate request.",
       "properties": {
+        "expirationSeconds": {
+          "description": "expirationSeconds is the requested duration of validity of the issued certificate. The certificate signer may issue a certificate with a different validity duration so a client must check the delta between the notBefore and and notAfter fields in the issued certificate to determine the actual duration.\n\nThe v1.22+ in-tree implementations of the well-known Kubernetes signers will honor this field as long as the requested duration is not greater than the maximum duration they will honor per the --cluster-signing-duration CLI flag to the Kubernetes controller manager.\n\nCertificate signers may not honor this field for various reasons:\n\n  1. Old signer that is unaware of the field (such as the in-tree\n     implementations prior to v1.22)\n  2. Signer whose configured maximum is shorter than the requested duration\n  3. Signer whose configured minimum is longer than the requested duration\n\nThe minimum valid value for expirationSeconds is 600, i.e. 10 minutes.\n\nAs of v1.22, this field is beta and is controlled via the CSRDuration feature gate.",
+          "format": "int32",
+          "type": "integer"
+        },
         "extra": {
           "additionalProperties": {
             "items": {
diff --git a/pkg/apis/certificates/v1/zz_generated.conversion.go b/pkg/apis/certificates/v1/zz_generated.conversion.go
index 8caa8170df9..8285aa030df 100644
--- a/pkg/apis/certificates/v1/zz_generated.conversion.go
+++ b/pkg/apis/certificates/v1/zz_generated.conversion.go
@@ -178,6 +178,7 @@ func Convert_certificates_CertificateSigningRequestList_To_v1_CertificateSigning
 func autoConvert_v1_CertificateSigningRequestSpec_To_certificates_CertificateSigningRequestSpec(in *v1.CertificateSigningRequestSpec, out *certificates.CertificateSigningRequestSpec, s conversion.Scope) error {
 	out.Request = *(*[]byte)(unsafe.Pointer(&in.Request))
 	out.SignerName = in.SignerName
+	out.ExpirationSeconds = (*int32)(unsafe.Pointer(in.ExpirationSeconds))
 	out.Usages = *(*[]certificates.KeyUsage)(unsafe.Pointer(&in.Usages))
 	out.Username = in.Username
 	out.UID = in.UID
@@ -194,6 +195,7 @@ func Convert_v1_CertificateSigningRequestSpec_To_certificates_CertificateSigning
 func autoConvert_certificates_CertificateSigningRequestSpec_To_v1_CertificateSigningRequestSpec(in *certificates.CertificateSigningRequestSpec, out *v1.CertificateSigningRequestSpec, s conversion.Scope) error {
 	out.Request = *(*[]byte)(unsafe.Pointer(&in.Request))
 	out.SignerName = in.SignerName
+	out.ExpirationSeconds = (*int32)(unsafe.Pointer(in.ExpirationSeconds))
 	out.Usages = *(*[]v1.KeyUsage)(unsafe.Pointer(&in.Usages))
 	out.Username = in.Username
 	out.UID = in.UID
diff --git a/pkg/apis/certificates/v1beta1/zz_generated.conversion.go b/pkg/apis/certificates/v1beta1/zz_generated.conversion.go
index fbe73f01137..f8bfcb105f7 100644
--- a/pkg/apis/certificates/v1beta1/zz_generated.conversion.go
+++ b/pkg/apis/certificates/v1beta1/zz_generated.conversion.go
@@ -201,6 +201,7 @@ func autoConvert_v1beta1_CertificateSigningRequestSpec_To_certificates_Certifica
 	if err := metav1.Convert_Pointer_string_To_string(&in.SignerName, &out.SignerName, s); err != nil {
 		return err
 	}
+	out.ExpirationSeconds = (*int32)(unsafe.Pointer(in.ExpirationSeconds))
 	out.Usages = *(*[]certificates.KeyUsage)(unsafe.Pointer(&in.Usages))
 	out.Username = in.Username
 	out.UID = in.UID
@@ -219,6 +220,7 @@ func autoConvert_certificates_CertificateSigningRequestSpec_To_v1beta1_Certifica
 	if err := metav1.Convert_string_To_Pointer_string(&in.SignerName, &out.SignerName, s); err != nil {
 		return err
 	}
+	out.ExpirationSeconds = (*int32)(unsafe.Pointer(in.ExpirationSeconds))
 	out.Usages = *(*[]v1beta1.KeyUsage)(unsafe.Pointer(&in.Usages))
 	out.Username = in.Username
 	out.UID = in.UID
diff --git a/pkg/apis/certificates/zz_generated.deepcopy.go b/pkg/apis/certificates/zz_generated.deepcopy.go
index b0e748b6c11..53a5273b88f 100644
--- a/pkg/apis/certificates/zz_generated.deepcopy.go
+++ b/pkg/apis/certificates/zz_generated.deepcopy.go
@@ -111,6 +111,11 @@ func (in *CertificateSigningRequestSpec) DeepCopyInto(out *CertificateSigningReq
 		*out = make([]byte, len(*in))
 		copy(*out, *in)
 	}
+	if in.ExpirationSeconds != nil {
+		in, out := &in.ExpirationSeconds, &out.ExpirationSeconds
+		*out = new(int32)
+		**out = **in
+	}
 	if in.Usages != nil {
 		in, out := &in.Usages, &out.Usages
 		*out = make([]KeyUsage, len(*in))
diff --git a/staging/src/k8s.io/api/certificates/v1/generated.pb.go b/staging/src/k8s.io/api/certificates/v1/generated.pb.go
index fca7d211541..3f06ac97a96 100644
--- a/staging/src/k8s.io/api/certificates/v1/generated.pb.go
+++ b/staging/src/k8s.io/api/certificates/v1/generated.pb.go
@@ -229,62 +229,64 @@ func init() {
 }
 
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+	0x05, 0x36, 0x72, 0x89, 0x42, 0xf7, 0x6f, 0x0b, 0xdd, 0x5a, 0xf9, 0xca, 0x7b, 0x4c, 0x48, 0xfc,
+	0xcb, 0x85, 0x5d, 0x71, 0xdf, 0x2e, 0x1f, 0x15, 0xad, 0x37, 0xe5, 0xba, 0xc9, 0xa9, 0x3e, 0xb3,
+	0x2c, 0xec, 0xc9, 0x43, 0x54, 0x65, 0x12, 0x22, 0x61, 0xaf, 0x75, 0xca, 0xbd, 0xe6, 0xd6, 0xe7,
+	0x57, 0x9a, 0x64, 0xff, 0x1d, 0xa3, 0x50, 0xbd, 0xaf, 0xb8, 0x48, 0x4e, 0xd9, 0xfd, 0xb3, 0xf2,
+	0x9a, 0xda, 0xd4, 0x3a, 0xe1, 0x0f, 0xd1, 0x3a, 0xcf, 0xaf, 0xba, 0xb4, 0x0d, 0xbf, 0xa9, 0x06,
+	0xc1, 0x20, 0xc8, 0xcc, 0x87, 0xb7, 0x10, 0x12, 0x2c, 0x8c, 0x81, 0xff, 0x40, 0x23, 0xb0, 0xd7,
+	0xf5, 0xd8, 0x14, 0xeb, 0xbf, 0x5f, 0x78, 0xc8, 0x02, 0x0a, 0xef, 0xa0, 0x1b, 0xf0, 0x2c, 0x65,
+	0x9c, 0xea, 0x59, 0x85, 0x20, 0x89, 0x07, 0xc2, 0xae, 0x77, 0xac, 0x5e, 0xd5, 0x7f, 0x6f, 0x3a,
+	0x71, 0x6e, 0xec, 0x2e, 0x3b, 0xc9, 0x45, 0x3c, 0x76, 0x51, 0x2d, 0x53, 0xa3, 0x28, 0xec, 0x6a,
+	0xa7, 0xdc, 0x6b, 0xf8, 0x37, 0xd5, 0x40, 0x1f, 0x6a, 0xcb, 0xd9, 0xc4, 0xa9, 0x7f, 0x0f, 0x63,
+	0x7d, 0x21, 0x06, 0x85, 0x3f, 0x41, 0xf5, 0x4c, 0x00, 0x8f, 0x55, 0x9a, 0xf9, 0x1a, 0x14, 0xbd,
+	0x3f, 0x34, 0x76, 0x52, 0x20, 0xf0, 0x2d, 0x54, 0xce, 0xd8, 0xc0, 0xac, 0x41, 0xd3, 0x00, 0xcb,
+	0x87, 0xf7, 0xef, 0x11, 0x65, 0xc7, 0x5d, 0x54, 0x0b, 0x79, 0x92, 0xa5, 0xc2, 0xae, 0x68, 0x71,
+	0xa4, 0xc4, 0xbf, 0xd3, 0x16, 0x62, 0x3c, 0x98, 0xa1, 0x2a, 0x3c, 0x93, 0x9c, 0xda, 0x35, 0xfd,
+	0x7c, 0xf7, 0xae, 0xfc, 0xcf, 0xb9, 0xbb, 0x8a, 0x66, 0x37, 0x96, 0x7c, 0x3c, 0x7f, 0x4d, 0x6d,
+	0x23, 0xb9, 0x42, 0xeb, 0x11, 0x42, 0x73, 0x0c, 0xbe, 0x8e, 0xca, 0x43, 0x18, 0xe7, 0xbf, 0x0e,
+	0x51, 0x47, 0xfc, 0x0d, 0xaa, 0x8e, 0xe8, 0xd3, 0x0c, 0xcc, 0x97, 0x7b, 0xfb, 0x75, 0xa9, 0x68,
+	0xa2, 0x9f, 0x14, 0x9a, 0xe4, 0x41, 0x77, 0xd7, 0xb6, 0xad, 0xee, 0x89, 0x85, 0x9c, 0x37, 0xfc,
+	0x96, 0x98, 0x23, 0x14, 0xcc, 0x7e, 0x20, 0x61, 0x5b, 0xba, 0xea, 0x6f, 0xaf, 0x54, 0x75, 0xf1,
+	0x91, 0xcd, 0x47, 0xa9, 0x30, 0x09, 0xb2, 0xa0, 0x82, 0xfb, 0xa8, 0xb9, 0xc0, 0xaa, 0xeb, 0xdb,
+	0xf0, 0xaf, 0x4d, 0x27, 0x4e, 0x73, 0x81, 0x9c, 0x2c, 0x62, 0xba, 0x5f, 0x9a, 0x66, 0xe9, 0x1a,
+	0xb1, 0x33, 0x5b, 0x32, 0x4b, 0x3f, 0x64, 0x63, 0x79, 0x53, 0xee, 0xd6, 0x7f, 0xff, 0xc3, 0x29,
+	0x3d, 0xff, 0xa7, 0x53, 0xf2, 0x7b, 0x27, 0xa7, 0xed, 0xd2, 0x8b, 0xd3, 0x76, 0xe9, 0xe5, 0x69,
+	0xbb, 0xf4, 0x7c, 0xda, 0xb6, 0x4e, 0xa6, 0x6d, 0xeb, 0xc5, 0xb4, 0x6d, 0xbd, 0x9c, 0xb6, 0xad,
+	0x7f, 0xa7, 0x6d, 0xeb, 0xb7, 0x57, 0xed, 0xd2, 0xc3, 0xb5, 0x51, 0xff, 0xbf, 0x00, 0x00, 0x00,
+	0xff, 0xff, 0x88, 0x08, 0x6d, 0x53, 0xb5, 0x08, 0x00, 0x00,
 }
 
 func (m *CertificateSigningRequest) Marshal() (dAtA []byte, err error) {
@@ -470,6 +472,11 @@ func (m *CertificateSigningRequestSpec) MarshalToSizedBuffer(dAtA []byte) (int,
 	_ = i
 	var l int
 	_ = l
+	if m.ExpirationSeconds != nil {
+		i = encodeVarintGenerated(dAtA, i, uint64(*m.ExpirationSeconds))
+		i--
+		dAtA[i] = 0x40
+	}
 	i -= len(m.SignerName)
 	copy(dAtA[i:], m.SignerName)
 	i = encodeVarintGenerated(dAtA, i, uint64(len(m.SignerName)))
@@ -719,6 +726,9 @@ func (m *CertificateSigningRequestSpec) Size() (n int) {
 	}
 	l = len(m.SignerName)
 	n += 1 + l + sovGenerated(uint64(l))
+	if m.ExpirationSeconds != nil {
+		n += 1 + sovGenerated(uint64(*m.ExpirationSeconds))
+	}
 	return n
 }
 
@@ -827,6 +837,7 @@ func (this *CertificateSigningRequestSpec) String() string {
 		`Usages:` + fmt.Sprintf("%v", this.Usages) + `,`,
 		`Extra:` + mapStringForExtra + `,`,
 		`SignerName:` + fmt.Sprintf("%v", this.SignerName) + `,`,
+		`ExpirationSeconds:` + valueToStringGenerated(this.ExpirationSeconds) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -1717,6 +1728,26 @@ func (m *CertificateSigningRequestSpec) Unmarshal(dAtA []byte) error {
 			}
 			m.SignerName = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
+		case 8:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExpirationSeconds", wireType)
+			}
+			var v int32
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= int32(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.ExpirationSeconds = &v
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenerated(dAtA[iNdEx:])
diff --git a/staging/src/k8s.io/api/certificates/v1/generated.proto b/staging/src/k8s.io/api/certificates/v1/generated.proto
index 839c1aa874f..1db9e324ebb 100644
--- a/staging/src/k8s.io/api/certificates/v1/generated.proto
+++ b/staging/src/k8s.io/api/certificates/v1/generated.proto
@@ -44,7 +44,7 @@ message CertificateSigningRequest {
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
 
   // spec contains the certificate request, and is immutable after creation.
-  // Only the request, signerName, and usages fields can be set on creation.
+  // Only the request, signerName, expirationSeconds, and usages fields can be set on creation.
   // Other fields are derived by Kubernetes and cannot be modified by users.
   optional CertificateSigningRequestSpec spec = 2;
 
@@ -135,6 +135,30 @@ message CertificateSigningRequestSpec {
   //  6. Whether or not requests for CA certificates are allowed.
   optional string signerName = 7;
 
+  // expirationSeconds is the requested duration of validity of the issued
+  // certificate. The certificate signer may issue a certificate with a different
+  // validity duration so a client must check the delta between the notBefore and
+  // and notAfter fields in the issued certificate to determine the actual duration.
+  //
+  // The v1.22+ in-tree implementations of the well-known Kubernetes signers will
+  // honor this field as long as the requested duration is not greater than the
+  // maximum duration they will honor per the --cluster-signing-duration CLI
+  // flag to the Kubernetes controller manager.
+  //
+  // Certificate signers may not honor this field for various reasons:
+  //
+  //   1. Old signer that is unaware of the field (such as the in-tree
+  //      implementations prior to v1.22)
+  //   2. Signer whose configured maximum is shorter than the requested duration
+  //   3. Signer whose configured minimum is longer than the requested duration
+  //
+  // The minimum valid value for expirationSeconds is 600, i.e. 10 minutes.
+  //
+  // As of v1.22, this field is beta and is controlled via the CSRDuration feature gate.
+  //
+  // +optional
+  optional int32 expirationSeconds = 8;
+
   // usages specifies a set of key usages requested in the issued certificate.
   //
   // Requests for TLS client certificates typically request: "digital signature", "key encipherment", "client auth".
diff --git a/staging/src/k8s.io/api/certificates/v1/types_swagger_doc_generated.go b/staging/src/k8s.io/api/certificates/v1/types_swagger_doc_generated.go
index 9a078fa0c45..2714584eda5 100644
--- a/staging/src/k8s.io/api/certificates/v1/types_swagger_doc_generated.go
+++ b/staging/src/k8s.io/api/certificates/v1/types_swagger_doc_generated.go
@@ -29,7 +29,7 @@ package v1
 // AUTO-GENERATED FUNCTIONS START HERE. DO NOT EDIT.
 var map_CertificateSigningRequest = map[string]string{
 	"":       "CertificateSigningRequest objects provide a mechanism to obtain x509 certificates by submitting a certificate signing request, and having it asynchronously approved and issued.\n\nKubelets use this API to obtain:\n 1. client certificates to authenticate to kube-apiserver (with the \"kubernetes.io/kube-apiserver-client-kubelet\" signerName).\n 2. serving certificates for TLS endpoints kube-apiserver can connect to securely (with the \"kubernetes.io/kubelet-serving\" signerName).\n\nThis API can be used to request client certificates to authenticate to kube-apiserver (with the \"kubernetes.io/kube-apiserver-client\" signerName), or to obtain certificates from custom non-Kubernetes signers.",
-	"spec":   "spec contains the certificate request, and is immutable after creation. Only the request, signerName, and usages fields can be set on creation. Other fields are derived by Kubernetes and cannot be modified by users.",
+	"spec":   "spec contains the certificate request, and is immutable after creation. Only the request, signerName, expirationSeconds, and usages fields can be set on creation. Other fields are derived by Kubernetes and cannot be modified by users.",
 	"status": "status contains information about whether the request is approved or denied, and the certificate issued by the signer, or the failure condition indicating signer failure.",
 }
 
@@ -61,14 +61,15 @@ func (CertificateSigningRequestList) SwaggerDoc() map[string]string {
 }
 
 var map_CertificateSigningRequestSpec = map[string]string{
-	"":           "CertificateSigningRequestSpec contains the certificate request.",
-	"request":    "request contains an x509 certificate signing request encoded in a \"CERTIFICATE REQUEST\" PEM block. When serialized as JSON or YAML, the data is additionally base64-encoded.",
-	"signerName": "signerName indicates the requested signer, and is a qualified name.\n\nList/watch requests for CertificateSigningRequests can filter on this field using a \"spec.signerName=NAME\" fieldSelector.\n\nWell-known Kubernetes signers are:\n 1. \"kubernetes.io/kube-apiserver-client\": issues client certificates that can be used to authenticate to kube-apiserver.\n  Requests for this signer are never auto-approved by kube-controller-manager, can be issued by the \"csrsigning\" controller in kube-controller-manager.\n 2. \"kubernetes.io/kube-apiserver-client-kubelet\": issues client certificates that kubelets use to authenticate to kube-apiserver.\n  Requests for this signer can be auto-approved by the \"csrapproving\" controller in kube-controller-manager, and can be issued by the \"csrsigning\" controller in kube-controller-manager.\n 3. \"kubernetes.io/kubelet-serving\" issues serving certificates that kubelets use to serve TLS endpoints, which kube-apiserver can connect to securely.\n  Requests for this signer are never auto-approved by kube-controller-manager, and can be issued by the \"csrsigning\" controller in kube-controller-manager.\n\nMore details are available at https://k8s.io/docs/reference/access-authn-authz/certificate-signing-requests/#kubernetes-signers\n\nCustom signerNames can also be specified. The signer defines:\n 1. Trust distribution: how trust (CA bundles) are distributed.\n 2. Permitted subjects: and behavior when a disallowed subject is requested.\n 3. Required, permitted, or forbidden x509 extensions in the request (including whether subjectAltNames are allowed, which types, restrictions on allowed values) and behavior when a disallowed extension is requested.\n 4. Required, permitted, or forbidden key usages / extended key usages.\n 5. Expiration/certificate lifetime: whether it is fixed by the signer, configurable by the admin.\n 6. Whether or not requests for CA certificates are allowed.",
-	"usages":     "usages specifies a set of key usages requested in the issued certificate.\n\nRequests for TLS client certificates typically request: \"digital signature\", \"key encipherment\", \"client auth\".\n\nRequests for TLS serving certificates typically request: \"key encipherment\", \"digital signature\", \"server auth\".\n\nValid values are:\n \"signing\", \"digital signature\", \"content commitment\",\n \"key encipherment\", \"key agreement\", \"data encipherment\",\n \"cert sign\", \"crl sign\", \"encipher only\", \"decipher only\", \"any\",\n \"server auth\", \"client auth\",\n \"code signing\", \"email protection\", \"s/mime\",\n \"ipsec end system\", \"ipsec tunnel\", \"ipsec user\",\n \"timestamping\", \"ocsp signing\", \"microsoft sgc\", \"netscape sgc\"",
-	"username":   "username contains the name of the user that created the CertificateSigningRequest. Populated by the API server on creation and immutable.",
-	"uid":        "uid contains the uid of the user that created the CertificateSigningRequest. Populated by the API server on creation and immutable.",
-	"groups":     "groups contains group membership of the user that created the CertificateSigningRequest. Populated by the API server on creation and immutable.",
-	"extra":      "extra contains extra attributes of the user that created the CertificateSigningRequest. Populated by the API server on creation and immutable.",
+	"":                  "CertificateSigningRequestSpec contains the certificate request.",
+	"request":           "request contains an x509 certificate signing request encoded in a \"CERTIFICATE REQUEST\" PEM block. When serialized as JSON or YAML, the data is additionally base64-encoded.",
+	"signerName":        "signerName indicates the requested signer, and is a qualified name.\n\nList/watch requests for CertificateSigningRequests can filter on this field using a \"spec.signerName=NAME\" fieldSelector.\n\nWell-known Kubernetes signers are:\n 1. \"kubernetes.io/kube-apiserver-client\": issues client certificates that can be used to authenticate to kube-apiserver.\n  Requests for this signer are never auto-approved by kube-controller-manager, can be issued by the \"csrsigning\" controller in kube-controller-manager.\n 2. \"kubernetes.io/kube-apiserver-client-kubelet\": issues client certificates that kubelets use to authenticate to kube-apiserver.\n  Requests for this signer can be auto-approved by the \"csrapproving\" controller in kube-controller-manager, and can be issued by the \"csrsigning\" controller in kube-controller-manager.\n 3. \"kubernetes.io/kubelet-serving\" issues serving certificates that kubelets use to serve TLS endpoints, which kube-apiserver can connect to securely.\n  Requests for this signer are never auto-approved by kube-controller-manager, and can be issued by the \"csrsigning\" controller in kube-controller-manager.\n\nMore details are available at https://k8s.io/docs/reference/access-authn-authz/certificate-signing-requests/#kubernetes-signers\n\nCustom signerNames can also be specified. The signer defines:\n 1. Trust distribution: how trust (CA bundles) are distributed.\n 2. Permitted subjects: and behavior when a disallowed subject is requested.\n 3. Required, permitted, or forbidden x509 extensions in the request (including whether subjectAltNames are allowed, which types, restrictions on allowed values) and behavior when a disallowed extension is requested.\n 4. Required, permitted, or forbidden key usages / extended key usages.\n 5. Expiration/certificate lifetime: whether it is fixed by the signer, configurable by the admin.\n 6. Whether or not requests for CA certificates are allowed.",
+	"expirationSeconds": "expirationSeconds is the requested duration of validity of the issued certificate. The certificate signer may issue a certificate with a different validity duration so a client must check the delta between the notBefore and and notAfter fields in the issued certificate to determine the actual duration.\n\nThe v1.22+ in-tree implementations of the well-known Kubernetes signers will honor this field as long as the requested duration is not greater than the maximum duration they will honor per the --cluster-signing-duration CLI flag to the Kubernetes controller manager.\n\nCertificate signers may not honor this field for various reasons:\n\n  1. Old signer that is unaware of the field (such as the in-tree\n     implementations prior to v1.22)\n  2. Signer whose configured maximum is shorter than the requested duration\n  3. Signer whose configured minimum is longer than the requested duration\n\nThe minimum valid value for expirationSeconds is 600, i.e. 10 minutes.\n\nAs of v1.22, this field is beta and is controlled via the CSRDuration feature gate.",
+	"usages":            "usages specifies a set of key usages requested in the issued certificate.\n\nRequests for TLS client certificates typically request: \"digital signature\", \"key encipherment\", \"client auth\".\n\nRequests for TLS serving certificates typically request: \"key encipherment\", \"digital signature\", \"server auth\".\n\nValid values are:\n \"signing\", \"digital signature\", \"content commitment\",\n \"key encipherment\", \"key agreement\", \"data encipherment\",\n \"cert sign\", \"crl sign\", \"encipher only\", \"decipher only\", \"any\",\n \"server auth\", \"client auth\",\n \"code signing\", \"email protection\", \"s/mime\",\n \"ipsec end system\", \"ipsec tunnel\", \"ipsec user\",\n \"timestamping\", \"ocsp signing\", \"microsoft sgc\", \"netscape sgc\"",
+	"username":          "username contains the name of the user that created the CertificateSigningRequest. Populated by the API server on creation and immutable.",
+	"uid":               "uid contains the uid of the user that created the CertificateSigningRequest. Populated by the API server on creation and immutable.",
+	"groups":            "groups contains group membership of the user that created the CertificateSigningRequest. Populated by the API server on creation and immutable.",
+	"extra":             "extra contains extra attributes of the user that created the CertificateSigningRequest. Populated by the API server on creation and immutable.",
 }
 
 func (CertificateSigningRequestSpec) SwaggerDoc() map[string]string {
diff --git a/staging/src/k8s.io/api/certificates/v1/zz_generated.deepcopy.go b/staging/src/k8s.io/api/certificates/v1/zz_generated.deepcopy.go
index cc6a60be781..af591b46f7e 100644
--- a/staging/src/k8s.io/api/certificates/v1/zz_generated.deepcopy.go
+++ b/staging/src/k8s.io/api/certificates/v1/zz_generated.deepcopy.go
@@ -111,6 +111,11 @@ func (in *CertificateSigningRequestSpec) DeepCopyInto(out *CertificateSigningReq
 		*out = make([]byte, len(*in))
 		copy(*out, *in)
 	}
+	if in.ExpirationSeconds != nil {
+		in, out := &in.ExpirationSeconds, &out.ExpirationSeconds
+		*out = new(int32)
+		**out = **in
+	}
 	if in.Usages != nil {
 		in, out := &in.Usages, &out.Usages
 		*out = make([]KeyUsage, len(*in))
diff --git a/staging/src/k8s.io/api/certificates/v1beta1/generated.pb.go b/staging/src/k8s.io/api/certificates/v1beta1/generated.pb.go
index f21256f4844..d9a29764418 100644
--- a/staging/src/k8s.io/api/certificates/v1beta1/generated.pb.go
+++ b/staging/src/k8s.io/api/certificates/v1beta1/generated.pb.go
@@ -229,62 +229,64 @@ func init() {
 }
 
 var fileDescriptor_09d156762b8218ef = []byte{
-	// 878 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xa4, 0x55, 0x4b, 0x6f, 0x1c, 0x45,
-	0x10, 0xde, 0xf1, 0xbe, 0x7b, 0x8d, 0x13, 0xb5, 0x50, 0x34, 0xac, 0x94, 0x19, 0x6b, 0x04, 0xc8,
-	0x3c, 0xd2, 0x83, 0xa3, 0x08, 0x2c, 0x1f, 0x10, 0x8c, 0x89, 0xc0, 0xc2, 0x01, 0xa9, 0x6d, 0x73,
-	0x40, 0x48, 0xa4, 0x77, 0xb6, 0x32, 0xee, 0x6c, 0xe6, 0xc1, 0x74, 0xcf, 0xc2, 0xde, 0xf2, 0x13,
-	0x38, 0x72, 0xe4, 0xe7, 0x98, 0x03, 0x52, 0x8e, 0x39, 0xa0, 0x15, 0xde, 0xdc, 0xf9, 0x01, 0x3e,
-	0xa1, 0xee, 0xe9, 0x9d, 0x5d, 0xbf, 0x70, 0x48, 0x6e, 0xdb, 0x5f, 0xd7, 0xf7, 0x7d, 0x55, 0x35,
-	0xd5, 0xb5, 0xe8, 0xab, 0xd1, 0x96, 0x20, 0x3c, 0xf5, 0x47, 0xc5, 0x00, 0xf2, 0x04, 0x24, 0x08,
-	0x7f, 0x0c, 0xc9, 0x30, 0xcd, 0x7d, 0x73, 0xc1, 0x32, 0xee, 0x87, 0x90, 0x4b, 0xfe, 0x88, 0x87,
-	0x4c, 0x5f, 0x6f, 0x0e, 0x40, 0xb2, 0x4d, 0x3f, 0x82, 0x04, 0x72, 0x26, 0x61, 0x48, 0xb2, 0x3c,
-	0x95, 0x29, 0x76, 0x4b, 0x02, 0x61, 0x19, 0x27, 0xcb, 0x04, 0x62, 0x08, 0xfd, 0x3b, 0x11, 0x97,
-	0x47, 0xc5, 0x80, 0x84, 0x69, 0xec, 0x47, 0x69, 0x94, 0xfa, 0x9a, 0x37, 0x28, 0x1e, 0xe9, 0x93,
-	0x3e, 0xe8, 0x5f, 0xa5, 0x5e, 0xdf, 0x5b, 0x4e, 0x20, 0xcd, 0xc1, 0x1f, 0x5f, 0xf0, 0xec, 0xdf,
-	0x5b, 0xc4, 0xc4, 0x2c, 0x3c, 0xe2, 0x09, 0xe4, 0x13, 0x3f, 0x1b, 0x45, 0x0a, 0x10, 0x7e, 0x0c,
-	0x92, 0x5d, 0xc6, 0xf2, 0xaf, 0x62, 0xe5, 0x45, 0x22, 0x79, 0x0c, 0x17, 0x08, 0x1f, 0x5f, 0x47,
-	0x10, 0xe1, 0x11, 0xc4, 0xec, 0x3c, 0xcf, 0xfb, 0x63, 0x05, 0xbd, 0xb5, 0xb3, 0x68, 0xc5, 0x3e,
-	0x8f, 0x12, 0x9e, 0x44, 0x14, 0x7e, 0x2a, 0x40, 0x48, 0xfc, 0x10, 0x75, 0x54, 0x86, 0x43, 0x26,
-	0x99, 0x6d, 0xad, 0x5b, 0x1b, 0xbd, 0xbb, 0x1f, 0x91, 0x45, 0x0f, 0x2b, 0x23, 0x92, 0x8d, 0x22,
-	0x05, 0x08, 0xa2, 0xa2, 0xc9, 0x78, 0x93, 0x7c, 0x3b, 0x78, 0x0c, 0xa1, 0x7c, 0x00, 0x92, 0x05,
-	0xf8, 0x78, 0xea, 0xd6, 0x66, 0x53, 0x17, 0x2d, 0x30, 0x5a, 0xa9, 0xe2, 0x87, 0xa8, 0x21, 0x32,
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+	// 912 bytes of a gzipped FileDescriptorProto
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+	0xec, 0xb4, 0x53, 0x7a, 0x7e, 0xda, 0x29, 0x3d, 0x9d, 0x76, 0xac, 0x93, 0x69, 0xc7, 0x7a, 0x36,
+	0xed, 0x58, 0xcf, 0xa7, 0x1d, 0xeb, 0x9f, 0x69, 0xc7, 0xfa, 0xf5, 0x45, 0xa7, 0xf4, 0x43, 0xdd,
+	0x54, 0xf7, 0x6f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x95, 0x4b, 0xd3, 0xe2, 0xde, 0x08, 0x00, 0x00,
 }
 
 func (m *CertificateSigningRequest) Marshal() (dAtA []byte, err error) {
@@ -470,6 +472,11 @@ func (m *CertificateSigningRequestSpec) MarshalToSizedBuffer(dAtA []byte) (int,
 	_ = i
 	var l int
 	_ = l
+	if m.ExpirationSeconds != nil {
+		i = encodeVarintGenerated(dAtA, i, uint64(*m.ExpirationSeconds))
+		i--
+		dAtA[i] = 0x40
+	}
 	if m.SignerName != nil {
 		i -= len(*m.SignerName)
 		copy(dAtA[i:], *m.SignerName)
@@ -723,6 +730,9 @@ func (m *CertificateSigningRequestSpec) Size() (n int) {
 		l = len(*m.SignerName)
 		n += 1 + l + sovGenerated(uint64(l))
 	}
+	if m.ExpirationSeconds != nil {
+		n += 1 + sovGenerated(uint64(*m.ExpirationSeconds))
+	}
 	return n
 }
 
@@ -831,6 +841,7 @@ func (this *CertificateSigningRequestSpec) String() string {
 		`Usages:` + fmt.Sprintf("%v", this.Usages) + `,`,
 		`Extra:` + mapStringForExtra + `,`,
 		`SignerName:` + valueToStringGenerated(this.SignerName) + `,`,
+		`ExpirationSeconds:` + valueToStringGenerated(this.ExpirationSeconds) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -1722,6 +1733,26 @@ func (m *CertificateSigningRequestSpec) Unmarshal(dAtA []byte) error {
 			s := string(dAtA[iNdEx:postIndex])
 			m.SignerName = &s
 			iNdEx = postIndex
+		case 8:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExpirationSeconds", wireType)
+			}
+			var v int32
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= int32(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.ExpirationSeconds = &v
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenerated(dAtA[iNdEx:])
diff --git a/staging/src/k8s.io/api/certificates/v1beta1/generated.proto b/staging/src/k8s.io/api/certificates/v1beta1/generated.proto
index 73631fb77c6..904e9520733 100644
--- a/staging/src/k8s.io/api/certificates/v1beta1/generated.proto
+++ b/staging/src/k8s.io/api/certificates/v1beta1/generated.proto
@@ -34,8 +34,9 @@ message CertificateSigningRequest {
   // +optional
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
 
-  // The certificate request itself and any additional information.
-  // +optional
+  // spec contains the certificate request, and is immutable after creation.
+  // Only the request, signerName, expirationSeconds, and usages fields can be set on creation.
+  // Other fields are derived by Kubernetes and cannot be modified by users.
   optional CertificateSigningRequestSpec spec = 2;
 
   // Derived information about the request.
@@ -80,9 +81,7 @@ message CertificateSigningRequestList {
   repeated CertificateSigningRequest items = 2;
 }
 
-// This information is immutable after the request is created. Only the Request
-// and Usages fields can be set on creation, other fields are derived by
-// Kubernetes and cannot be modified by users.
+// CertificateSigningRequestSpec contains the certificate request.
 message CertificateSigningRequestSpec {
   // Base64-encoded PKCS#10 CSR data
   // +listType=atomic
@@ -101,6 +100,30 @@ message CertificateSigningRequestSpec {
   // +optional
   optional string signerName = 7;
 
+  // expirationSeconds is the requested duration of validity of the issued
+  // certificate. The certificate signer may issue a certificate with a different
+  // validity duration so a client must check the delta between the notBefore and
+  // and notAfter fields in the issued certificate to determine the actual duration.
+  //
+  // The v1.22+ in-tree implementations of the well-known Kubernetes signers will
+  // honor this field as long as the requested duration is not greater than the
+  // maximum duration they will honor per the --cluster-signing-duration CLI
+  // flag to the Kubernetes controller manager.
+  //
+  // Certificate signers may not honor this field for various reasons:
+  //
+  //   1. Old signer that is unaware of the field (such as the in-tree
+  //      implementations prior to v1.22)
+  //   2. Signer whose configured maximum is shorter than the requested duration
+  //   3. Signer whose configured minimum is longer than the requested duration
+  //
+  // The minimum valid value for expirationSeconds is 600, i.e. 10 minutes.
+  //
+  // As of v1.22, this field is beta and is controlled via the CSRDuration feature gate.
+  //
+  // +optional
+  optional int32 expirationSeconds = 8;
+
   // allowedUsages specifies a set of usage contexts the key will be
   // valid for.
   // See: https://tools.ietf.org/html/rfc5280#section-4.2.1.3
diff --git a/staging/src/k8s.io/api/certificates/v1beta1/types_swagger_doc_generated.go b/staging/src/k8s.io/api/certificates/v1beta1/types_swagger_doc_generated.go
index 396fee0bf61..816a618cb9e 100644
--- a/staging/src/k8s.io/api/certificates/v1beta1/types_swagger_doc_generated.go
+++ b/staging/src/k8s.io/api/certificates/v1beta1/types_swagger_doc_generated.go
@@ -29,7 +29,7 @@ package v1beta1
 // AUTO-GENERATED FUNCTIONS START HERE. DO NOT EDIT.
 var map_CertificateSigningRequest = map[string]string{
 	"":       "Describes a certificate signing request",
-	"spec":   "The certificate request itself and any additional information.",
+	"spec":   "spec contains the certificate request, and is immutable after creation. Only the request, signerName, expirationSeconds, and usages fields can be set on creation. Other fields are derived by Kubernetes and cannot be modified by users.",
 	"status": "Derived information about the request.",
 }
 
@@ -51,14 +51,15 @@ func (CertificateSigningRequestCondition) SwaggerDoc() map[string]string {
 }
 
 var map_CertificateSigningRequestSpec = map[string]string{
-	"":           "This information is immutable after the request is created. Only the Request and Usages fields can be set on creation, other fields are derived by Kubernetes and cannot be modified by users.",
-	"request":    "Base64-encoded PKCS#10 CSR data",
-	"signerName": "Requested signer for the request. It is a qualified name in the form: `scope-hostname.io/name`. If empty, it will be defaulted:\n 1. If it's a kubelet client certificate, it is assigned\n    \"kubernetes.io/kube-apiserver-client-kubelet\".\n 2. If it's a kubelet serving certificate, it is assigned\n    \"kubernetes.io/kubelet-serving\".\n 3. Otherwise, it is assigned \"kubernetes.io/legacy-unknown\".\nDistribution of trust for signers happens out of band. You can select on this field using `spec.signerName`.",
-	"usages":     "allowedUsages specifies a set of usage contexts the key will be valid for. See: https://tools.ietf.org/html/rfc5280#section-4.2.1.3\n     https://tools.ietf.org/html/rfc5280#section-4.2.1.12\nValid values are:\n \"signing\",\n \"digital signature\",\n \"content commitment\",\n \"key encipherment\",\n \"key agreement\",\n \"data encipherment\",\n \"cert sign\",\n \"crl sign\",\n \"encipher only\",\n \"decipher only\",\n \"any\",\n \"server auth\",\n \"client auth\",\n \"code signing\",\n \"email protection\",\n \"s/mime\",\n \"ipsec end system\",\n \"ipsec tunnel\",\n \"ipsec user\",\n \"timestamping\",\n \"ocsp signing\",\n \"microsoft sgc\",\n \"netscape sgc\"",
-	"username":   "Information about the requesting user. See user.Info interface for details.",
-	"uid":        "UID information about the requesting user. See user.Info interface for details.",
-	"groups":     "Group information about the requesting user. See user.Info interface for details.",
-	"extra":      "Extra information about the requesting user. See user.Info interface for details.",
+	"":                  "CertificateSigningRequestSpec contains the certificate request.",
+	"request":           "Base64-encoded PKCS#10 CSR data",
+	"signerName":        "Requested signer for the request. It is a qualified name in the form: `scope-hostname.io/name`. If empty, it will be defaulted:\n 1. If it's a kubelet client certificate, it is assigned\n    \"kubernetes.io/kube-apiserver-client-kubelet\".\n 2. If it's a kubelet serving certificate, it is assigned\n    \"kubernetes.io/kubelet-serving\".\n 3. Otherwise, it is assigned \"kubernetes.io/legacy-unknown\".\nDistribution of trust for signers happens out of band. You can select on this field using `spec.signerName`.",
+	"expirationSeconds": "expirationSeconds is the requested duration of validity of the issued certificate. The certificate signer may issue a certificate with a different validity duration so a client must check the delta between the notBefore and and notAfter fields in the issued certificate to determine the actual duration.\n\nThe v1.22+ in-tree implementations of the well-known Kubernetes signers will honor this field as long as the requested duration is not greater than the maximum duration they will honor per the --cluster-signing-duration CLI flag to the Kubernetes controller manager.\n\nCertificate signers may not honor this field for various reasons:\n\n  1. Old signer that is unaware of the field (such as the in-tree\n     implementations prior to v1.22)\n  2. Signer whose configured maximum is shorter than the requested duration\n  3. Signer whose configured minimum is longer than the requested duration\n\nThe minimum valid value for expirationSeconds is 600, i.e. 10 minutes.\n\nAs of v1.22, this field is beta and is controlled via the CSRDuration feature gate.",
+	"usages":            "allowedUsages specifies a set of usage contexts the key will be valid for. See: https://tools.ietf.org/html/rfc5280#section-4.2.1.3\n     https://tools.ietf.org/html/rfc5280#section-4.2.1.12\nValid values are:\n \"signing\",\n \"digital signature\",\n \"content commitment\",\n \"key encipherment\",\n \"key agreement\",\n \"data encipherment\",\n \"cert sign\",\n \"crl sign\",\n \"encipher only\",\n \"decipher only\",\n \"any\",\n \"server auth\",\n \"client auth\",\n \"code signing\",\n \"email protection\",\n \"s/mime\",\n \"ipsec end system\",\n \"ipsec tunnel\",\n \"ipsec user\",\n \"timestamping\",\n \"ocsp signing\",\n \"microsoft sgc\",\n \"netscape sgc\"",
+	"username":          "Information about the requesting user. See user.Info interface for details.",
+	"uid":               "UID information about the requesting user. See user.Info interface for details.",
+	"groups":            "Group information about the requesting user. See user.Info interface for details.",
+	"extra":             "Extra information about the requesting user. See user.Info interface for details.",
 }
 
 func (CertificateSigningRequestSpec) SwaggerDoc() map[string]string {
diff --git a/staging/src/k8s.io/api/certificates/v1beta1/zz_generated.deepcopy.go b/staging/src/k8s.io/api/certificates/v1beta1/zz_generated.deepcopy.go
index 0463f5bb0c4..48e460aac36 100644
--- a/staging/src/k8s.io/api/certificates/v1beta1/zz_generated.deepcopy.go
+++ b/staging/src/k8s.io/api/certificates/v1beta1/zz_generated.deepcopy.go
@@ -116,6 +116,11 @@ func (in *CertificateSigningRequestSpec) DeepCopyInto(out *CertificateSigningReq
 		*out = new(string)
 		**out = **in
 	}
+	if in.ExpirationSeconds != nil {
+		in, out := &in.ExpirationSeconds, &out.ExpirationSeconds
+		*out = new(int32)
+		**out = **in
+	}
 	if in.Usages != nil {
 		in, out := &in.Usages, &out.Usages
 		*out = make([]KeyUsage, len(*in))
diff --git a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.json b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.json
index 81ae70dc70f..88c34181692 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.json
+++ b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.json
@@ -44,8 +44,9 @@
   "spec": {
     "request": "OA==",
     "signerName": "20",
+    "expirationSeconds": 1305381319,
     "usages": [
-      "J枊a"
+      "鯹)晿\u003c"
     ],
     "username": "21",
     "uid": "22",
@@ -61,14 +62,14 @@
   "status": {
     "conditions": [
       {
-        "type": "o,c鮽ort昍řČ扷5Ɨ",
-        "status": "ěĂ凗蓏Ŋ蛊ĉy緅縕",
+        "type": ".蘯6ċV夸",
+        "status": "Č扷5ƗǸƢ6/ʕVŚ(ĿȊ甞谐颋DžS",
         "reason": "26",
         "message": "27",
-        "lastUpdateTime": "1985-03-23T14:10:57Z",
-        "lastTransitionTime": "2352-05-22T04:29:36Z"
+        "lastUpdateTime": "2762-08-27T06:50:32Z",
+        "lastTransitionTime": "2214-12-23T19:22:14Z"
       }
     ],
-    "certificate": "cw=="
+    "certificate": "fQ=="
   }
 }
\ No newline at end of file
diff --git a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.pb b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.pb
index 12104d77604..bb154740fc2 100644
Binary files a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.pb and b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.pb differ
diff --git a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.yaml b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.yaml
index 2e8dfdef90d..9e4b7dce40d 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.yaml
+++ b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1.CertificateSigningRequest.yaml
@@ -31,6 +31,7 @@ metadata:
   selfLink: "5"
   uid: "7"
 spec:
+  expirationSeconds: 1305381319
   extra:
     "24":
     - "25"
@@ -40,14 +41,14 @@ spec:
   signerName: "20"
   uid: "22"
   usages:
-  - J枊a
+  - 鯹)晿<
   username: "21"
 status:
-  certificate: cw==
+  certificate: fQ==
   conditions:
-  - lastTransitionTime: "2352-05-22T04:29:36Z"
-    lastUpdateTime: "1985-03-23T14:10:57Z"
+  - lastTransitionTime: "2214-12-23T19:22:14Z"
+    lastUpdateTime: "2762-08-27T06:50:32Z"
     message: "27"
     reason: "26"
-    status: ěĂ凗蓏Ŋ蛊ĉy緅縕
-    type: o,c鮽ort昍řČ扷5Ɨ
+    status: Č扷5ƗǸƢ6/ʕVŚ(ĿȊ甞谐颋DžS
+    type: .蘯6ċV夸
diff --git a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.json b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.json
index 3810feed8a1..569e1a40410 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.json
+++ b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.json
@@ -44,8 +44,9 @@
   "spec": {
     "request": "OA==",
     "signerName": "20",
+    "expirationSeconds": 1305381319,
     "usages": [
-      "J枊a"
+      "鯹)晿\u003c"
     ],
     "username": "21",
     "uid": "22",
@@ -61,14 +62,14 @@
   "status": {
     "conditions": [
       {
-        "type": "o,c鮽ort昍řČ扷5Ɨ",
-        "status": "ěĂ凗蓏Ŋ蛊ĉy緅縕",
+        "type": ".蘯6ċV夸",
+        "status": "Č扷5ƗǸƢ6/ʕVŚ(ĿȊ甞谐颋DžS",
         "reason": "26",
         "message": "27",
-        "lastUpdateTime": "1985-03-23T14:10:57Z",
-        "lastTransitionTime": "2352-05-22T04:29:36Z"
+        "lastUpdateTime": "2762-08-27T06:50:32Z",
+        "lastTransitionTime": "2214-12-23T19:22:14Z"
       }
     ],
-    "certificate": "cw=="
+    "certificate": "fQ=="
   }
 }
\ No newline at end of file
diff --git a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.pb b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.pb
index e48e08c8c85..f3812323c6c 100644
Binary files a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.pb and b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.pb differ
diff --git a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.yaml b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.yaml
index 7364e9465bb..ea7f59682b3 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.yaml
+++ b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.yaml
@@ -31,6 +31,7 @@ metadata:
   selfLink: "5"
   uid: "7"
 spec:
+  expirationSeconds: 1305381319
   extra:
     "24":
     - "25"
@@ -40,14 +41,14 @@ spec:
   signerName: "20"
   uid: "22"
   usages:
-  - J枊a
+  - 鯹)晿<
   username: "21"
 status:
-  certificate: cw==
+  certificate: fQ==
   conditions:
-  - lastTransitionTime: "2352-05-22T04:29:36Z"
-    lastUpdateTime: "1985-03-23T14:10:57Z"
+  - lastTransitionTime: "2214-12-23T19:22:14Z"
+    lastUpdateTime: "2762-08-27T06:50:32Z"
     message: "27"
     reason: "26"
-    status: ěĂ凗蓏Ŋ蛊ĉy緅縕
-    type: o,c鮽ort昍řČ扷5Ɨ
+    status: Č扷5ƗǸƢ6/ʕVŚ(ĿȊ甞谐颋DžS
+    type: .蘯6ċV夸
diff --git a/staging/src/k8s.io/client-go/applyconfigurations/certificates/v1/certificatesigningrequestspec.go b/staging/src/k8s.io/client-go/applyconfigurations/certificates/v1/certificatesigningrequestspec.go
index 7c4d2c98e2d..81ca214a9dc 100644
--- a/staging/src/k8s.io/client-go/applyconfigurations/certificates/v1/certificatesigningrequestspec.go
+++ b/staging/src/k8s.io/client-go/applyconfigurations/certificates/v1/certificatesigningrequestspec.go
@@ -25,13 +25,14 @@ import (
 // CertificateSigningRequestSpecApplyConfiguration represents an declarative configuration of the CertificateSigningRequestSpec type for use
 // with apply.
 type CertificateSigningRequestSpecApplyConfiguration struct {
-	Request    []byte                   `json:"request,omitempty"`
-	SignerName *string                  `json:"signerName,omitempty"`
-	Usages     []v1.KeyUsage            `json:"usages,omitempty"`
-	Username   *string                  `json:"username,omitempty"`
-	UID        *string                  `json:"uid,omitempty"`
-	Groups     []string                 `json:"groups,omitempty"`
-	Extra      map[string]v1.ExtraValue `json:"extra,omitempty"`
+	Request           []byte                   `json:"request,omitempty"`
+	SignerName        *string                  `json:"signerName,omitempty"`
+	ExpirationSeconds *int32                   `json:"expirationSeconds,omitempty"`
+	Usages            []v1.KeyUsage            `json:"usages,omitempty"`
+	Username          *string                  `json:"username,omitempty"`
+	UID               *string                  `json:"uid,omitempty"`
+	Groups            []string                 `json:"groups,omitempty"`
+	Extra             map[string]v1.ExtraValue `json:"extra,omitempty"`
 }
 
 // CertificateSigningRequestSpecApplyConfiguration constructs an declarative configuration of the CertificateSigningRequestSpec type for use with
@@ -58,6 +59,14 @@ func (b *CertificateSigningRequestSpecApplyConfiguration) WithSignerName(value s
 	return b
 }
 
+// WithExpirationSeconds sets the ExpirationSeconds field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the ExpirationSeconds field is set to the value of the last call.
+func (b *CertificateSigningRequestSpecApplyConfiguration) WithExpirationSeconds(value int32) *CertificateSigningRequestSpecApplyConfiguration {
+	b.ExpirationSeconds = &value
+	return b
+}
+
 // WithUsages adds the given value to the Usages field in the declarative configuration
 // and returns the receiver, so that objects can be build by chaining "With" function invocations.
 // If called multiple times, values provided by each call will be appended to the Usages field.
diff --git a/staging/src/k8s.io/client-go/applyconfigurations/certificates/v1beta1/certificatesigningrequestspec.go b/staging/src/k8s.io/client-go/applyconfigurations/certificates/v1beta1/certificatesigningrequestspec.go
index 73ea58e5ec6..9554b1f400a 100644
--- a/staging/src/k8s.io/client-go/applyconfigurations/certificates/v1beta1/certificatesigningrequestspec.go
+++ b/staging/src/k8s.io/client-go/applyconfigurations/certificates/v1beta1/certificatesigningrequestspec.go
@@ -25,13 +25,14 @@ import (
 // CertificateSigningRequestSpecApplyConfiguration represents an declarative configuration of the CertificateSigningRequestSpec type for use
 // with apply.
 type CertificateSigningRequestSpecApplyConfiguration struct {
-	Request    []byte                        `json:"request,omitempty"`
-	SignerName *string                       `json:"signerName,omitempty"`
-	Usages     []v1beta1.KeyUsage            `json:"usages,omitempty"`
-	Username   *string                       `json:"username,omitempty"`
-	UID        *string                       `json:"uid,omitempty"`
-	Groups     []string                      `json:"groups,omitempty"`
-	Extra      map[string]v1beta1.ExtraValue `json:"extra,omitempty"`
+	Request           []byte                        `json:"request,omitempty"`
+	SignerName        *string                       `json:"signerName,omitempty"`
+	ExpirationSeconds *int32                        `json:"expirationSeconds,omitempty"`
+	Usages            []v1beta1.KeyUsage            `json:"usages,omitempty"`
+	Username          *string                       `json:"username,omitempty"`
+	UID               *string                       `json:"uid,omitempty"`
+	Groups            []string                      `json:"groups,omitempty"`
+	Extra             map[string]v1beta1.ExtraValue `json:"extra,omitempty"`
 }
 
 // CertificateSigningRequestSpecApplyConfiguration constructs an declarative configuration of the CertificateSigningRequestSpec type for use with
@@ -58,6 +59,14 @@ func (b *CertificateSigningRequestSpecApplyConfiguration) WithSignerName(value s
 	return b
 }
 
+// WithExpirationSeconds sets the ExpirationSeconds field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the ExpirationSeconds field is set to the value of the last call.
+func (b *CertificateSigningRequestSpecApplyConfiguration) WithExpirationSeconds(value int32) *CertificateSigningRequestSpecApplyConfiguration {
+	b.ExpirationSeconds = &value
+	return b
+}
+
 // WithUsages adds the given value to the Usages field in the declarative configuration
 // and returns the receiver, so that objects can be build by chaining "With" function invocations.
 // If called multiple times, values provided by each call will be appended to the Usages field.
diff --git a/staging/src/k8s.io/client-go/applyconfigurations/internal/internal.go b/staging/src/k8s.io/client-go/applyconfigurations/internal/internal.go
index acd9061e04e..10914dd875f 100644
--- a/staging/src/k8s.io/client-go/applyconfigurations/internal/internal.go
+++ b/staging/src/k8s.io/client-go/applyconfigurations/internal/internal.go
@@ -2843,6 +2843,9 @@ var schemaYAML = typed.YAMLObject(`types:
 - name: io.k8s.api.certificates.v1.CertificateSigningRequestSpec
   map:
     fields:
+    - name: expirationSeconds
+      type:
+        scalar: numeric
     - name: extra
       type:
         map:
@@ -2939,6 +2942,9 @@ var schemaYAML = typed.YAMLObject(`types:
 - name: io.k8s.api.certificates.v1beta1.CertificateSigningRequestSpec
   map:
     fields:
+    - name: expirationSeconds
+      type:
+        scalar: numeric
     - name: extra
       type:
         map: