diff --git a/config/crds/sharding.timebertt.dev_controllerrings.yaml b/config/crds/sharding.timebertt.dev_controllerrings.yaml
index b178ac36..d9198d68 100644
--- a/config/crds/sharding.timebertt.dev_controllerrings.yaml
+++ b/config/crds/sharding.timebertt.dev_controllerrings.yaml
@@ -3,7 +3,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.19.0
+    controller-gen.kubebuilder.io/version: v0.20.0
   name: controllerrings.sharding.timebertt.dev
 spec:
   group: sharding.timebertt.dev
diff --git a/hack/tools.mk b/hack/tools.mk
index 8344895d..2e7b55a5 100644
--- a/hack/tools.mk
+++ b/hack/tools.mk
@@ -20,7 +20,7 @@ $(TOOLS_BIN_DIR)/.version_%:
 
 CONTROLLER_GEN := $(TOOLS_BIN_DIR)/controller-gen
 # renovate: datasource=github-releases depName=kubernetes-sigs/controller-tools
-CONTROLLER_GEN_VERSION ?= v0.19.0
+CONTROLLER_GEN_VERSION ?= v0.20.0
 $(CONTROLLER_GEN): $(call tool_version_file,$(CONTROLLER_GEN),$(CONTROLLER_GEN_VERSION))
 	GOBIN=$(abspath $(TOOLS_BIN_DIR)) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_GEN_VERSION)
 
diff --git a/webhosting-operator/config/manager/crds/webhosting.timebertt.dev_themes.yaml b/webhosting-operator/config/manager/crds/webhosting.timebertt.dev_themes.yaml
index f18e4080..f494349f 100644
--- a/webhosting-operator/config/manager/crds/webhosting.timebertt.dev_themes.yaml
+++ b/webhosting-operator/config/manager/crds/webhosting.timebertt.dev_themes.yaml
@@ -3,7 +3,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.19.0
+    controller-gen.kubebuilder.io/version: v0.20.0
   name: themes.webhosting.timebertt.dev
 spec:
   group: webhosting.timebertt.dev
diff --git a/webhosting-operator/config/manager/crds/webhosting.timebertt.dev_websites.yaml b/webhosting-operator/config/manager/crds/webhosting.timebertt.dev_websites.yaml
index f0f1d298..58a13315 100644
--- a/webhosting-operator/config/manager/crds/webhosting.timebertt.dev_websites.yaml
+++ b/webhosting-operator/config/manager/crds/webhosting.timebertt.dev_websites.yaml
@@ -3,7 +3,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.19.0
+    controller-gen.kubebuilder.io/version: v0.20.0
   name: websites.webhosting.timebertt.dev
 spec:
   group: webhosting.timebertt.dev