diff --git a/config/webhook-hpa.yaml b/config/webhook-hpa.yaml
index 240b4321aa6..5f0ebf000e1 100644
--- a/config/webhook-hpa.yaml
+++ b/config/webhook-hpa.yaml
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-apiVersion: autoscaling/v2beta1
+apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 metadata:
   name: tekton-pipelines-webhook
@@ -38,4 +38,6 @@ spec:
     - type: Resource
       resource:
         name: cpu
-        targetAverageUtilization: 100
+        target:
+          type: Utilization
+          averageUtilization: 100
diff --git a/docs/enabling-ha.md b/docs/enabling-ha.md
index 38290f706e3..ba68fc7690a 100644
--- a/docs/enabling-ha.md
+++ b/docs/enabling-ha.md
@@ -86,7 +86,7 @@ kubectl -n tekton-pipelines scale deployment tekton-pipelines-webhook --replicas
 You can also modify the [HorizontalPodAutoscaler](./../config/webhook-hpa.yaml) to set a minimum number of replicas:
 
 ```yaml
-apiVersion: autoscaling/v2beta1
+apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 metadata:
   name: tekton-pipelines-webhook