diff --git a/pkg/features/kube_features.go b/pkg/features/kube_features.go
index 11999e5d235..5fda536ae2c 100644
--- a/pkg/features/kube_features.go
+++ b/pkg/features/kube_features.go
@@ -1188,6 +1188,8 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
 
 	genericfeatures.KMSv2KDF: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.31
 
+	genericfeatures.MutatingAdmissionPolicy: {Default: false, PreRelease: featuregate.Alpha},
+
 	genericfeatures.OpenAPIEnums: {Default: true, PreRelease: featuregate.Beta},
 
 	genericfeatures.RemainingItemCount: {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
diff --git a/staging/src/k8s.io/apiserver/pkg/features/kube_features.go b/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
index b363cd2060b..9c90ca20403 100644
--- a/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
+++ b/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
@@ -143,6 +143,13 @@ const (
 	// Enables the use of derived encryption keys with KMS v2.
 	KMSv2KDF featuregate.Feature = "KMSv2KDF"
 
+	// owner: @alexzielenski, @cici37, @jiahuif
+	// kep: https://kep.k8s.io/3962
+	// alpha: v1.30
+	//
+	// Enables the MutatingAdmissionPolicy in Admission Chain
+	MutatingAdmissionPolicy featuregate.Feature = "MutatingAdmissionPolicy"
+
 	// owner: @jiahuif
 	// kep: https://kep.k8s.io/2887
 	// alpha: v1.23