diff --git a/Makefile b/Makefile
index b1dbcfa..3bc44ba 100644
--- a/Makefile
+++ b/Makefile
@@ -103,12 +103,12 @@ $(LOCALBIN):
 KUSTOMIZE ?= $(LOCALBIN)/kustomize
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= v4.5.7
+KUSTOMIZE_VERSION ?= v5.1.1
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
 kustomize: $(LOCALBIN) ## Download kustomize locally if necessary.
-	if [[ ! -s $(LOCALBIN)/kustomize || $$($(LOCALBIN)/kustomize version | awk '{print $$1}' | awk -F/ '{print $$2}') != $(KUSTOMIZE_VERSION) ]]; then \
+	if [[ ! -s $(LOCALBIN)/kustomize || ! $$($(LOCALBIN)/kustomize version) =~ $(KUSTOMIZE_VERSION) ]]; then \
 	  rm -f $(LOCALBIN)/kustomize && \
 	  { curl -s $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }; \
 	fi