diff --git a/Makefile b/Makefile
index 46676d537..51fa9f35b 100644
--- a/Makefile
+++ b/Makefile
@@ -510,7 +510,7 @@ helm-doc:
 # -- Tools
 ####################
 CONTROLLER_GEN         := $(LOCALBIN)/controller-gen
-CONTROLLER_GEN_VERSION ?= v0.20.0
+CONTROLLER_GEN_VERSION ?= v0.21.0
 CONTROLLER_GEN_LOOKUP  := kubernetes-sigs/controller-tools
 controller-gen:
 	@test -s $(CONTROLLER_GEN) && $(CONTROLLER_GEN) --version | grep -q $(CONTROLLER_GEN_VERSION) || \