diff --git a/Makefile b/Makefile
index b25fb6a2..5ae2a0ba 100644
--- a/Makefile
+++ b/Makefile
@@ -193,7 +193,7 @@ GCI_VERSION ?= v0.13.4
 
 ## Tool Versions
 # renovate: datasource=go depName=sigs.k8s.io/kustomize/kustomize/v5
-KUSTOMIZE_VERSION ?= v5.4.2
+KUSTOMIZE_VERSION ?= v5.4.3
 # renovate: datasource=go depName=github.com/kubernetes/code-generator
 CODE_GENERATOR_VERSION ?= v0.30.3
 # renovate: datasource=go depName=sigs.k8s.io/controller-tools