diff --git a/clustertool/embed/generic/patches/controlplane.yaml b/clustertool/embed/generic/patches/controlplane.yaml
index 8dc815c6217..c91e87f2356 100644
--- a/clustertool/embed/generic/patches/controlplane.yaml
+++ b/clustertool/embed/generic/patches/controlplane.yaml
@@ -17,6 +17,7 @@
   value:
     enable-aggregator-routing: true
     runtime-config: admissionregistration.k8s.io/v1alpha1=true
+    feature-gates: MutatingAdmissionPolicy=true
 
 - op: replace
   path: /cluster/apiServer/admissionControl