diff --git a/Makefile b/Makefile
index c56537820..b87590b51 100644
--- a/Makefile
+++ b/Makefile
@@ -188,16 +188,18 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 KUSTOMIZE_VERSION ?= v5.5.0
 CONTROLLER_TOOLS_VERSION ?= v0.16.4
 
+update-deps:
+	KUSTOMIZE_VERSION=$(KUSTOMIZE_VERSION) CONTROLLER_TOOLS_VERSION=$(CONTROLLER_TOOLS_VERSION) ./deps/update_e2e_deps.sh
+
 .PHONY: controller-gen
 controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
 $(CONTROLLER_GEN): $(LOCALBIN)
 	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
-KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
 kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
 $(KUSTOMIZE): $(LOCALBIN)
-	curl -s $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN)
+	GOBIN=$(LOCALBIN) go install sigs.k8s.io/kustomize/kustomize/v5@$(KUSTOMIZE_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
diff --git a/deps/update_e2e_deps.sh b/deps/update_e2e_deps.sh
index 4a000b465..b3eebaac2 100755
--- a/deps/update_e2e_deps.sh
+++ b/deps/update_e2e_deps.sh
@@ -7,7 +7,7 @@ echo """
 updating kustomize dependency
 ---------------------------------------
 """
-go get sigs.k8s.io/kustomize/kustomize/v5@v5.5.0
+go get "sigs.k8s.io/kustomize/kustomize/v5@$KUSTOMIZE_VERSION"
 
 cd ../controller-gen
 
@@ -16,6 +16,6 @@ echo """
 updating controller-gen dependency
 --------------------------------------
 """
-go get sigs.k8s.io/controller-tools@v0.16.4
+go get "sigs.k8s.io/controller-tools@$CONTROLLER_TOOLS_VERSION"
 
 cd ../..