diff --git a/dynamic/client_test.go b/dynamic/client_test.go
index a205514d..979d7fe3 100644
--- a/dynamic/client_test.go
+++ b/dynamic/client_test.go
@@ -275,6 +275,11 @@ func TestDelete(t *testing.T) {
 				t.Errorf("Delete(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
 			}
 
+			content := r.Header.Get("Content-Type")
+			if content != runtime.ContentTypeJSON {
+				t.Errorf("Delete(%q) got Content-Type %s. wanted %s", tc.name, content, runtime.ContentTypeJSON)
+			}
+
 			w.Header().Set("Content-Type", runtime.ContentTypeJSON)
 			unstructured.UnstructuredJSONScheme.Encode(statusOK, w)
 		})
@@ -323,6 +328,11 @@ func TestDeleteCollection(t *testing.T) {
 				t.Errorf("DeleteCollection(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
 			}
 
+			content := r.Header.Get("Content-Type")
+			if content != runtime.ContentTypeJSON {
+				t.Errorf("DeleteCollection(%q) got Content-Type %s. wanted %s", tc.name, content, runtime.ContentTypeJSON)
+			}
+
 			w.Header().Set("Content-Type", runtime.ContentTypeJSON)
 			unstructured.UnstructuredJSONScheme.Encode(statusOK, w)
 		})
@@ -389,6 +399,11 @@ func TestCreate(t *testing.T) {
 				t.Errorf("Create(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
 			}
 
+			content := r.Header.Get("Content-Type")
+			if content != runtime.ContentTypeJSON {
+				t.Errorf("Create(%q) got Content-Type %s. wanted %s", tc.name, content, runtime.ContentTypeJSON)
+			}
+
 			w.Header().Set("Content-Type", runtime.ContentTypeJSON)
 			data, err := ioutil.ReadAll(r.Body)
 			if err != nil {
@@ -466,6 +481,11 @@ func TestUpdate(t *testing.T) {
 				t.Errorf("Update(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
 			}
 
+			content := r.Header.Get("Content-Type")
+			if content != runtime.ContentTypeJSON {
+				t.Errorf("Uppdate(%q) got Content-Type %s. wanted %s", tc.name, content, runtime.ContentTypeJSON)
+			}
+
 			w.Header().Set("Content-Type", runtime.ContentTypeJSON)
 			data, err := ioutil.ReadAll(r.Body)
 			if err != nil {
diff --git a/dynamic/simple.go b/dynamic/simple.go
index 9ae320d3..65f40fe1 100644
--- a/dynamic/simple.go
+++ b/dynamic/simple.go
@@ -110,6 +110,7 @@ func (c *dynamicResourceClient) Create(ctx context.Context, obj *unstructured.Un
 	result := c.client.client.
 		Post().
 		AbsPath(append(c.makeURLSegments(name), subresources...)...).
+		SetHeader("Content-Type", runtime.ContentTypeJSON).
 		Body(outBytes).
 		SpecificallyVersionedParams(&opts, dynamicParameterCodec, versionV1).
 		Do(ctx)
@@ -145,6 +146,7 @@ func (c *dynamicResourceClient) Update(ctx context.Context, obj *unstructured.Un
 	result := c.client.client.
 		Put().
 		AbsPath(append(c.makeURLSegments(name), subresources...)...).
+		SetHeader("Content-Type", runtime.ContentTypeJSON).
 		Body(outBytes).
 		SpecificallyVersionedParams(&opts, dynamicParameterCodec, versionV1).
 		Do(ctx)
@@ -181,6 +183,7 @@ func (c *dynamicResourceClient) UpdateStatus(ctx context.Context, obj *unstructu
 	result := c.client.client.
 		Put().
 		AbsPath(append(c.makeURLSegments(name), "status")...).
+		SetHeader("Content-Type", runtime.ContentTypeJSON).
 		Body(outBytes).
 		SpecificallyVersionedParams(&opts, dynamicParameterCodec, versionV1).
 		Do(ctx)
@@ -211,6 +214,7 @@ func (c *dynamicResourceClient) Delete(ctx context.Context, name string, opts me
 	result := c.client.client.
 		Delete().
 		AbsPath(append(c.makeURLSegments(name), subresources...)...).
+		SetHeader("Content-Type", runtime.ContentTypeJSON).
 		Body(deleteOptionsByte).
 		Do(ctx)
 	return result.Error()
@@ -225,6 +229,7 @@ func (c *dynamicResourceClient) DeleteCollection(ctx context.Context, opts metav
 	result := c.client.client.
 		Delete().
 		AbsPath(c.makeURLSegments("")...).
+		SetHeader("Content-Type", runtime.ContentTypeJSON).
 		Body(deleteOptionsByte).
 		SpecificallyVersionedParams(&listOptions, dynamicParameterCodec, versionV1).
 		Do(ctx)
diff --git a/go.mod b/go.mod
index 2274f484..206b2fc6 100644
--- a/go.mod
+++ b/go.mod
@@ -31,7 +31,7 @@ require (
 	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac
 	google.golang.org/protobuf v1.26.0
 	k8s.io/api v0.0.0-20211008163859-2a5dae08c42b
-	k8s.io/apimachinery v0.0.0-20211011000437-91117332e378
+	k8s.io/apimachinery v0.0.0-20211015224548-e6c90c4366be
 	k8s.io/klog/v2 v2.20.0
 	k8s.io/kube-openapi v0.0.0-20210817084001-7fbd8d59e5b8
 	k8s.io/utils v0.0.0-20210930125809-cb0fa318a74b
@@ -41,5 +41,5 @@ require (
 
 replace (
 	k8s.io/api => k8s.io/api v0.0.0-20211008163859-2a5dae08c42b
-	k8s.io/apimachinery => k8s.io/apimachinery v0.0.0-20211011000437-91117332e378
+	k8s.io/apimachinery => k8s.io/apimachinery v0.0.0-20211015224548-e6c90c4366be
 )
diff --git a/go.sum b/go.sum
index 47946d23..3725cdbd 100644
--- a/go.sum
+++ b/go.sum
@@ -601,8 +601,8 @@ honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 k8s.io/api v0.0.0-20211008163859-2a5dae08c42b h1:Nz70nzsUXXw2WjuESe7doPFLamYCkuqPr0h4WNULijE=
 k8s.io/api v0.0.0-20211008163859-2a5dae08c42b/go.mod h1:uigk499NtRe0ine9Jz9mxVwAjascSPD/Ojn9xYSyB58=
-k8s.io/apimachinery v0.0.0-20211011000437-91117332e378 h1:68nXOP1wny9Hqo4ZRpk4dEZUBnaQAwE7jjzkVxm2/oE=
-k8s.io/apimachinery v0.0.0-20211011000437-91117332e378/go.mod h1:RAdi3McqM+9tkYHOyceb4XOeJWm9BCAF4BhZki5iiok=
+k8s.io/apimachinery v0.0.0-20211015224548-e6c90c4366be h1:yVOgSJyvwB2pSZxoB0z0V/w1OMbxOQLIz1JzoWL1gzQ=
+k8s.io/apimachinery v0.0.0-20211015224548-e6c90c4366be/go.mod h1:RAdi3McqM+9tkYHOyceb4XOeJWm9BCAF4BhZki5iiok=
 k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
 k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
 k8s.io/klog/v2 v2.20.0 h1:tlyxlSvd63k7axjhuchckaRJm+a92z5GSOrTOQY5sHw=