diff --git a/charts/garden-kube-apiserver/Chart.yaml b/charts/garden-kube-apiserver/Chart.yaml
index b6e2855..cd2a893 100644
--- a/charts/garden-kube-apiserver/Chart.yaml
+++ b/charts/garden-kube-apiserver/Chart.yaml
@@ -15,4 +15,5 @@
 apiVersion: v1
 description: This repo packages the kube-apiserver for the usage in the gardener context. This is the foundation that gets extended by the gardener-apiserver
 name: garden-kube-apiserver
-version: 4.1.0
+version: 4.2.0
+kubeVersion: ">= 1.21.0"
diff --git a/charts/garden-kube-apiserver/templates/poddisruptionbudget-kube-apiserver.yaml b/charts/garden-kube-apiserver/templates/poddisruptionbudget-kube-apiserver.yaml
index 8862883..510c789 100644
--- a/charts/garden-kube-apiserver/templates/poddisruptionbudget-kube-apiserver.yaml
+++ b/charts/garden-kube-apiserver/templates/poddisruptionbudget-kube-apiserver.yaml
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-apiVersion: policy/v1beta1
+apiVersion: policy/v1
 kind: PodDisruptionBudget
 metadata:
   name: garden-kube-apiserver