diff --git a/pkg/features/kube_features.go b/pkg/features/kube_features.go
index 3c6e9614d98..ac32f0f120d 100644
--- a/pkg/features/kube_features.go
+++ b/pkg/features/kube_features.go
@@ -1580,6 +1580,7 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 	ProcMountType: {
 		{Version: version.MustParse("1.12"), Default: false, PreRelease: featuregate.Alpha},
 		{Version: version.MustParse("1.31"), Default: false, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.Beta},
 	},
 
 	QOSReserved: {
diff --git a/test/compatibility_lifecycle/reference/versioned_feature_list.yaml b/test/compatibility_lifecycle/reference/versioned_feature_list.yaml
index e6bf4c342fa..ed150a71ec9 100644
--- a/test/compatibility_lifecycle/reference/versioned_feature_list.yaml
+++ b/test/compatibility_lifecycle/reference/versioned_feature_list.yaml
@@ -1089,6 +1089,10 @@
     lockToDefault: false
     preRelease: Beta
     version: "1.31"
+  - default: true
+    lockToDefault: false
+    preRelease: Beta
+    version: "1.33"
 - name: QOSReserved
   versionedSpecs:
   - default: false