diff --git a/go.mod b/go.mod
index 974db2419..2909c72db 100644
--- a/go.mod
+++ b/go.mod
@@ -44,8 +44,8 @@ require (
 	google.golang.org/grpc v1.38.0
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0
 	gopkg.in/square/go-jose.v2 v2.2.2
-	k8s.io/api v0.0.0-20210820160405-5403b8c7f696
-	k8s.io/apimachinery v0.0.0-20210820200223-19d98351410f
+	k8s.io/api v0.0.0-20210823160431-2e3872a4612f
+	k8s.io/apimachinery v0.0.0-20210823160225-43d8bfe8f725
 	k8s.io/client-go v0.0.0-20210820200723-590eaed90a85
 	k8s.io/component-base v0.0.0-20210820041117-a191e9fae528
 	k8s.io/klog/v2 v2.9.0
@@ -57,8 +57,8 @@ require (
 )
 
 replace (
-	k8s.io/api => k8s.io/api v0.0.0-20210820160405-5403b8c7f696
-	k8s.io/apimachinery => k8s.io/apimachinery v0.0.0-20210820200223-19d98351410f
+	k8s.io/api => k8s.io/api v0.0.0-20210823160431-2e3872a4612f
+	k8s.io/apimachinery => k8s.io/apimachinery v0.0.0-20210823160225-43d8bfe8f725
 	k8s.io/client-go => k8s.io/client-go v0.0.0-20210820200723-590eaed90a85
 	k8s.io/component-base => k8s.io/component-base v0.0.0-20210820041117-a191e9fae528
 )
diff --git a/go.sum b/go.sum
index 39d874fca..df22abd5f 100644
--- a/go.sum
+++ b/go.sum
@@ -932,10 +932,10 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-k8s.io/api v0.0.0-20210820160405-5403b8c7f696 h1:VeDLDi3k0cH4LwrHrza1S5RfNTS5Ke9a4cjDxwl0tes=
-k8s.io/api v0.0.0-20210820160405-5403b8c7f696/go.mod h1:4L/pB8yzulD3folKSl90IBVQTkp2WH+Lc5oN9GGFyOg=
-k8s.io/apimachinery v0.0.0-20210820200223-19d98351410f h1:/jTdlnzadZ/keFPHUc/agLHDhPCDBHYsl7Yj2tUDM4g=
-k8s.io/apimachinery v0.0.0-20210820200223-19d98351410f/go.mod h1:9bsqX1kl7oIEzpNzAVhpZQ9E/AcXq62F+TCC81jicxo=
+k8s.io/api v0.0.0-20210823160431-2e3872a4612f h1:2yD9i6wR5BmlzqVamiBG56pgB96NWEKI374nJoThCao=
+k8s.io/api v0.0.0-20210823160431-2e3872a4612f/go.mod h1:9NII8izUMCcs10XIYvYhVPgZoYR8Svcxaj4ROCKZE5w=
+k8s.io/apimachinery v0.0.0-20210823160225-43d8bfe8f725 h1:fkTd5iY1R9JSSTs2M1mwmzX6Cmepwnd/uj6vawk1+cg=
+k8s.io/apimachinery v0.0.0-20210823160225-43d8bfe8f725/go.mod h1:9bsqX1kl7oIEzpNzAVhpZQ9E/AcXq62F+TCC81jicxo=
 k8s.io/client-go v0.0.0-20210820200723-590eaed90a85 h1:l1bg5TOnjmD7AZcjimvppPVIJhgqWW77cnDGniuzKi4=
 k8s.io/client-go v0.0.0-20210820200723-590eaed90a85/go.mod h1:b7BeUxg/uN2Me9ddwSuzQa2+asz8h3+840bxjk5v4ZI=
 k8s.io/component-base v0.0.0-20210820041117-a191e9fae528 h1:rjkrYH4ht8L9NgoeMS6pHJ/PcCAnPatFz4tfR/Jotx4=
diff --git a/pkg/registry/generic/registry/store.go b/pkg/registry/generic/registry/store.go
index ec9870a03..d94627834 100644
--- a/pkg/registry/generic/registry/store.go
+++ b/pkg/registry/generic/registry/store.go
@@ -360,6 +360,9 @@ func (e *Store) ListPredicate(ctx context.Context, p storage.SelectionPredicate,
 func finishNothing(context.Context, bool) {}
 
 // Create inserts a new item according to the unique key from the object.
+// Note that registries may mutate the input object (e.g. in the strategy
+// hooks).  Tests which call this might want to call DeepCopy if they expect to
+// be able to examine the input and output objects for differences.
 func (e *Store) Create(ctx context.Context, obj runtime.Object, createValidation rest.ValidateObjectFunc, options *metav1.CreateOptions) (runtime.Object, error) {
 	var finishCreate FinishFunc = finishNothing
 
diff --git a/pkg/registry/rest/resttest/resttest.go b/pkg/registry/rest/resttest/resttest.go
index b394da620..c271c66ed 100644
--- a/pkg/registry/rest/resttest/resttest.go
+++ b/pkg/registry/rest/resttest/resttest.go
@@ -381,7 +381,8 @@ func (t *Tester) testCreateGeneratesName(valid runtime.Object) {
 		t.Fatalf("Unexpected error: %v", err)
 	}
 	defer t.delete(t.TestContext(), created)
-	if objectMeta.GetName() == "test-" || !strings.HasPrefix(objectMeta.GetName(), "test-") {
+	createdMeta := t.getObjectMetaOrFail(created)
+	if createdMeta.GetName() == "test-" || !strings.HasPrefix(createdMeta.GetName(), "test-") {
 		t.Errorf("unexpected name: %#v", valid)
 	}
 }
@@ -399,7 +400,8 @@ func (t *Tester) testCreateHasMetadata(valid runtime.Object) {
 		t.Fatalf("Unexpected object from result: %#v", obj)
 	}
 	defer t.delete(t.TestContext(), obj)
-	if !metav1.HasObjectMetaSystemFieldValues(objectMeta) {
+	createdMeta := t.getObjectMetaOrFail(obj)
+	if !metav1.HasObjectMetaSystemFieldValues(createdMeta) {
 		t.Errorf("storage did not populate object meta field values")
 	}
 }
@@ -501,7 +503,8 @@ func (t *Tester) testCreateResetsUserData(valid runtime.Object, opts metav1.Crea
 		t.Fatalf("Unexpected object from result: %#v", obj)
 	}
 	defer t.delete(t.TestContext(), obj)
-	if objectMeta.GetUID() == "bad-uid" || objectMeta.GetCreationTimestamp() == now {
+	createdMeta := t.getObjectMetaOrFail(obj)
+	if createdMeta.GetUID() == "bad-uid" || createdMeta.GetCreationTimestamp() == now {
 		t.Errorf("ObjectMeta did not reset basic fields: %#v", objectMeta)
 	}
 }