diff --git a/pkg/apis/storage/validation/validation_test.go b/pkg/apis/storage/validation/validation_test.go
index dd4b8ae21b4..8e692f04973 100644
--- a/pkg/apis/storage/validation/validation_test.go
+++ b/pkg/apis/storage/validation/validation_test.go
@@ -1873,7 +1873,12 @@ func TestCSIDriverValidationUpdate(t *testing.T) {
 	notRequiresRepublish := false
 =======
 	resourceVersion := "1"
+<<<<<<< HEAD
 >>>>>>> Relax validation for CSIVolumeFSGroupPolicy
+=======
+	invalidFSGroupPolicy := storage.ReadWriteOnceWithFSTypeFSGroupPolicy
+	invalidFSGroupPolicy = "invalid-mode"
+>>>>>>> Move CSIVolumeFSGroupPolicy to beta
 	old := storage.CSIDriver{
 		ObjectMeta: metav1.ObjectMeta{Name: driverName, ResourceVersion: resourceVersion},
 		Spec: storage.CSIDriverSpec{
@@ -1887,11 +1892,27 @@ func TestCSIDriverValidationUpdate(t *testing.T) {
 		},
 	}
 
-	// Currently there is only one success case: exactly the same
-	// as the existing object.
-	successCases := []storage.CSIDriver{old}
+	// Currently we compare the object against itself
+	// and ensure updates succeed
+	successCases := []storage.CSIDriver{
+		old,
+		// An invalid FSGroupPolicy should still pass
+		{
+			ObjectMeta: metav1.ObjectMeta{Name: driverName, ResourceVersion: resourceVersion},
+			Spec: storage.CSIDriverSpec{
+				AttachRequired: &attachNotRequired,
+				PodInfoOnMount: &notPodInfoOnMount,
+				VolumeLifecycleModes: []storage.VolumeLifecycleMode{
+					storage.VolumeLifecycleEphemeral,
+					storage.VolumeLifecyclePersistent,
+				},
+				FSGroupPolicy: &invalidFSGroupPolicy,
+			},
+		},
+	}
 	for _, csiDriver := range successCases {
-		if errs := ValidateCSIDriverUpdate(&csiDriver, &old); len(errs) != 0 {
+		newDriver := csiDriver.DeepCopy()
+		if errs := ValidateCSIDriverUpdate(&csiDriver, newDriver); len(errs) != 0 {
 			t.Errorf("expected success for %+v: %v", csiDriver, errs)
 		}
 	}
@@ -1967,6 +1988,21 @@ func TestCSIDriverValidationUpdate(t *testing.T) {
 				}
 			},
 		},
+		{
+			name: "FSGroupPolicy invalidated",
+			modify: func(new *storage.CSIDriver) {
+				invalidFSGroupPolicy := storage.ReadWriteOnceWithFSTypeFSGroupPolicy
+				invalidFSGroupPolicy = "invalid"
+				new.Spec.FSGroupPolicy = &invalidFSGroupPolicy
+			},
+		},
+		{
+			name: "FSGroupPolicy changed",
+			modify: func(new *storage.CSIDriver) {
+				fileFSGroupPolicy := storage.FileFSGroupPolicy
+				new.Spec.FSGroupPolicy = &fileFSGroupPolicy
+			},
+		},
 	}
 
 	for _, test := range errorCases {
diff --git a/pkg/features/kube_features.go b/pkg/features/kube_features.go
index f79c8d40193..3ae6c65689f 100644
--- a/pkg/features/kube_features.go
+++ b/pkg/features/kube_features.go
@@ -432,6 +432,7 @@ const (
 
 	// owner: @huffmanca
 	// alpha: v1.19
+	// beta: v1.20
 	//
 	// Determines if a CSI Driver supports applying fsGroup.
 	CSIVolumeFSGroupPolicy featuregate.Feature = "CSIVolumeFSGroupPolicy"
@@ -764,7 +765,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
 	CSIStorageCapacity:             {Default: false, PreRelease: featuregate.Alpha},
 	CSIServiceAccountToken:         {Default: false, PreRelease: featuregate.Alpha},
 	GenericEphemeralVolume:         {Default: false, PreRelease: featuregate.Alpha},
-	CSIVolumeFSGroupPolicy:         {Default: false, PreRelease: featuregate.Alpha},
+	CSIVolumeFSGroupPolicy:         {Default: true, PreRelease: featuregate.Beta},
 	RuntimeClass:                   {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.23
 	NodeLease:                      {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
 	SCTPSupport:                    {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.22
diff --git a/pkg/volume/csi/csi_test.go b/pkg/volume/csi/csi_test.go
index 993a7b35b90..a353532c851 100644
--- a/pkg/volume/csi/csi_test.go
+++ b/pkg/volume/csi/csi_test.go
@@ -27,6 +27,7 @@ import (
 	api "k8s.io/api/core/v1"
 	v1 "k8s.io/api/core/v1"
 	storage "k8s.io/api/storage/v1"
+	storagev1 "k8s.io/api/storage/v1"
 	meta "k8s.io/apimachinery/pkg/apis/meta/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
@@ -47,6 +48,7 @@ import (
 // based on operations from the volume manager/reconciler/operation executor
 func TestCSI_VolumeAll(t *testing.T) {
 	defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.CSIInlineVolume, true)()
+	defaultFSGroupPolicy := storagev1.ReadWriteOnceWithFSTypeFSGroupPolicy
 
 	tests := []struct {
 		name       string
@@ -87,6 +89,7 @@ func TestCSI_VolumeAll(t *testing.T) {
 			driverSpec: &storage.CSIDriverSpec{
 				// Required for the driver to be accepted for the persistent volume.
 				VolumeLifecycleModes: []storage.VolumeLifecycleMode{storage.VolumeLifecyclePersistent},
+				FSGroupPolicy:        &defaultFSGroupPolicy,
 			},
 		},
 		{
@@ -104,6 +107,7 @@ func TestCSI_VolumeAll(t *testing.T) {
 			driverSpec: &storage.CSIDriverSpec{
 				// This will cause the volume to be rejected.
 				VolumeLifecycleModes: []storage.VolumeLifecycleMode{storage.VolumeLifecycleEphemeral},
+				FSGroupPolicy:        &defaultFSGroupPolicy,
 			},
 			shouldFail: true,
 		},
@@ -122,6 +126,7 @@ func TestCSI_VolumeAll(t *testing.T) {
 			driverSpec: &storage.CSIDriverSpec{
 				// Required for the driver to be accepted for the inline volume.
 				VolumeLifecycleModes: []storage.VolumeLifecycleMode{storage.VolumeLifecycleEphemeral},
+				FSGroupPolicy:        &defaultFSGroupPolicy,
 			},
 		},
 		{
@@ -139,6 +144,7 @@ func TestCSI_VolumeAll(t *testing.T) {
 			driverSpec: &storage.CSIDriverSpec{
 				// Required for the driver to be accepted for the inline volume.
 				VolumeLifecycleModes: []storage.VolumeLifecycleMode{storage.VolumeLifecyclePersistent, storage.VolumeLifecycleEphemeral},
+				FSGroupPolicy:        &defaultFSGroupPolicy,
 			},
 		},
 		{
diff --git a/pkg/volume/csi/csi_util_test.go b/pkg/volume/csi/csi_util_test.go
index 3df12babcde..f4d3582b004 100644
--- a/pkg/volume/csi/csi_util_test.go
+++ b/pkg/volume/csi/csi_util_test.go
@@ -85,6 +85,7 @@ func makeTestVol(name string, driverName string) *api.Volume {
 }
 
 func getTestCSIDriver(name string, podInfoMount *bool, attachable *bool, volumeLifecycleModes []storagev1.VolumeLifecycleMode) *storagev1.CSIDriver {
+	defaultFSGroupPolicy := storagev1.ReadWriteOnceWithFSTypeFSGroupPolicy
 	return &storagev1.CSIDriver{
 		ObjectMeta: meta.ObjectMeta{
 			Name: name,
@@ -93,6 +94,7 @@ func getTestCSIDriver(name string, podInfoMount *bool, attachable *bool, volumeL
 			PodInfoOnMount:       podInfoMount,
 			AttachRequired:       attachable,
 			VolumeLifecycleModes: volumeLifecycleModes,
+			FSGroupPolicy:        &defaultFSGroupPolicy,
 		},
 	}
 }