diff --git a/pkg/features/versioned_kube_features.go b/pkg/features/versioned_kube_features.go
index 0590c936cc2..5caedb5d763 100644
--- a/pkg/features/versioned_kube_features.go
+++ b/pkg/features/versioned_kube_features.go
@@ -269,6 +269,7 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 
 	genericfeatures.BtreeWatchCache: {
 		{Version: version.MustParse("1.32"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.GA, LockToDefault: true},
 	},
 
 	genericfeatures.CBORServingAndStorage: {
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 ed74e9dfff5..facbefe2fe1 100644
--- a/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
+++ b/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
@@ -303,6 +303,7 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 
 	BtreeWatchCache: {
 		{Version: version.MustParse("1.32"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.GA, LockToDefault: true},
 	},
 
 	AuthorizeWithSelectors: {
diff --git a/test/featuregates_linter/test_data/versioned_feature_list.yaml b/test/featuregates_linter/test_data/versioned_feature_list.yaml
index 89b39c97323..b0bea041c68 100644
--- a/test/featuregates_linter/test_data/versioned_feature_list.yaml
+++ b/test/featuregates_linter/test_data/versioned_feature_list.yaml
@@ -184,6 +184,10 @@
     lockToDefault: false
     preRelease: Beta
     version: "1.32"
+  - default: true
+    lockToDefault: true
+    preRelease: GA
+    version: "1.33"
 - name: CBORServingAndStorage
   versionedSpecs:
   - default: false