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 612be9845a2..f7706c24815 100644
--- a/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
+++ b/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
@@ -151,6 +151,7 @@ const (
 
 	// owner: @wojtek-t
 	// alpha: v1.20
+	// beta: v1.21
 	//
 	// Allows for updating watchcache resource version with progress notify events.
 	EfficientWatchResumption featuregate.Feature = "EfficientWatchResumption"
@@ -185,6 +186,6 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
 	RemoveSelfLink:           {Default: true, PreRelease: featuregate.Beta},
 	SelectorIndex:            {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
 	WarningHeaders:           {Default: true, PreRelease: featuregate.Beta},
-	EfficientWatchResumption: {Default: false, PreRelease: featuregate.Alpha},
+	EfficientWatchResumption: {Default: true, PreRelease: featuregate.Beta},
 	APIServerIdentity:        {Default: false, PreRelease: featuregate.Alpha},
 }