diff --git a/.gitignore b/.gitignore
index a4be81c..d3a9dd6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,6 @@ cert-manager-webhook-example
 # Make artifacts
 _out
 _test
+
+# if vendoring enabled
+vendor/
diff --git a/deploy/helm/templates/rbac.yaml b/deploy/helm/templates/rbac.yaml
index 7451dfb..34d9d8b 100644
--- a/deploy/helm/templates/rbac.yaml
+++ b/deploy/helm/templates/rbac.yaml
@@ -115,7 +115,7 @@ metadata:
 {{ include "gcore-webhook.labels" . | indent 4 }}
 rules:
   - apiGroups:
-      - "flowcontrol.apiserver.k8s.io"
+      - "flowcontrol.apiserver.k8s.io/v1beta3"
     resources:
       - "prioritylevelconfigurations"
       - "flowschemas"
diff --git a/deploy/webhook-all.yml b/deploy/webhook-all.yml
index 063abe4..b240b0f 100644
--- a/deploy/webhook-all.yml
+++ b/deploy/webhook-all.yml
@@ -121,7 +121,7 @@ metadata:
     app.kubernetes.io/version: 0.1.1
 rules:
   - apiGroups:
-      - "flowcontrol.apiserver.k8s.io"
+      - "flowcontrol.apiserver.k8s.io/v1beta3"
     resources:
       - "prioritylevelconfigurations"
       - "flowschemas"