diff --git a/pkg/features/kube_features.go b/pkg/features/kube_features.go
index 259be4e9b49..9acaa6208ae 100644
--- a/pkg/features/kube_features.go
+++ b/pkg/features/kube_features.go
@@ -1612,10 +1612,12 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 
 	StreamingCollectionEncodingToJSON: {
 		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.34"), Default: true, PreRelease: featuregate.GA, LockToDefault: true},
 	},
 
 	StreamingCollectionEncodingToProtobuf: {
 		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.34"), Default: true, PreRelease: featuregate.GA, LockToDefault: true},
 	},
 
 	StrictIPCIDRValidation: {
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 60b45e63a24..23d3913f197 100644
--- a/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
+++ b/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
@@ -381,10 +381,12 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 
 	StreamingCollectionEncodingToJSON: {
 		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.34"), Default: true, PreRelease: featuregate.GA, LockToDefault: true},
 	},
 
 	StreamingCollectionEncodingToProtobuf: {
 		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.34"), Default: true, PreRelease: featuregate.GA, LockToDefault: true},
 	},
 
 	StrictCostEnforcementForVAP: {
diff --git a/test/compatibility_lifecycle/reference/versioned_feature_list.yaml b/test/compatibility_lifecycle/reference/versioned_feature_list.yaml
index 4ab412e079f..f6c5a3575f0 100644
--- a/test/compatibility_lifecycle/reference/versioned_feature_list.yaml
+++ b/test/compatibility_lifecycle/reference/versioned_feature_list.yaml
@@ -1519,12 +1519,20 @@
     lockToDefault: false
     preRelease: Beta
     version: "1.33"
+  - default: true
+    lockToDefault: true
+    preRelease: GA
+    version: "1.34"
 - name: StreamingCollectionEncodingToProtobuf
   versionedSpecs:
   - default: true
     lockToDefault: false
     preRelease: Beta
     version: "1.33"
+  - default: true
+    lockToDefault: true
+    preRelease: GA
+    version: "1.34"
 - name: StrictCostEnforcementForVAP
   versionedSpecs:
   - default: false