diff --git a/Makefile b/Makefile
index 53ea036ca..da9cacd46 100644
--- a/Makefile
+++ b/Makefile
@@ -455,7 +455,7 @@ helm-doc:
 # -- Tools
 ####################
 CONTROLLER_GEN         := $(LOCALBIN)/controller-gen
-CONTROLLER_GEN_VERSION ?= v0.20.0
+CONTROLLER_GEN_VERSION ?= v0.20.1
 CONTROLLER_GEN_LOOKUP  := kubernetes-sigs/controller-tools
 controller-gen:
 	@test -s $(CONTROLLER_GEN) && $(CONTROLLER_GEN) --version | grep -q $(CONTROLLER_GEN_VERSION) || \
diff --git a/api/v1beta1/tenant_webhook.go b/api/v1beta1/tenant_webhook.go
index d4dfe7efc..3c1fb60ce 100644
--- a/api/v1beta1/tenant_webhook.go
+++ b/api/v1beta1/tenant_webhook.go
@@ -7,9 +7,10 @@ import (
 	"os"
 
 	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/manager"
 )
 
-func (in *Tenant) SetupWebhookWithManager(mgr ctrl.Manager) error {
+func (in *Tenant) SetupWebhookWithManager(mgr manager.Manager) error {
 	certData, _ := os.ReadFile("/tmp/k8s-webhook-server/serving-certs/tls.crt")
 	if len(certData) == 0 {
 		return nil