diff --git a/pkg/features/kube_features.go b/pkg/features/kube_features.go
index 4190cf17592..ff8a18700b0 100644
--- a/pkg/features/kube_features.go
+++ b/pkg/features/kube_features.go
@@ -479,6 +479,7 @@ const (
 
 	// owner: @robscott @kumarvin123
 	// alpha: v1.19
+	// beta: v1.21
 	//
 	// Enable Endpoint Slice consumption by kube-proxy in Windows for improved scalability.
 	WindowsEndpointSliceProxying featuregate.Feature = "WindowsEndpointSliceProxying"
@@ -754,7 +755,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
 	EndpointSliceProxying:                          {Default: true, PreRelease: featuregate.Beta},
 	EndpointSliceTerminatingCondition:              {Default: false, PreRelease: featuregate.Alpha},
 	EndpointSliceNodeName:                          {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, //remove in 1.25
-	WindowsEndpointSliceProxying:                   {Default: false, PreRelease: featuregate.Alpha},
+	WindowsEndpointSliceProxying:                   {Default: true, PreRelease: featuregate.Beta},
 	StartupProbe:                                   {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23
 	AllowInsecureBackendProxy:                      {Default: true, PreRelease: featuregate.Beta},
 	PodDisruptionBudget:                            {Default: true, PreRelease: featuregate.Beta},