diff --git a/Makefile b/Makefile
index 65c34c1224..b50a0f7489 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # Image URL to use all building/pushing image targets
 
 # renovate: datasource=github-tags depName=kubernetes-sigs/kustomize
-KUSTOMIZE_VERSION?=v5.0.3
+KUSTOMIZE_VERSION?=v5.1.0
 # renovate: datasource=github-tags depName=helm/helm
 HELM_VERSION ?= v3.12.1
 CHART_APPVERSION ?= v0.8.0 # x-release-please-version
diff --git a/klt-cert-manager/Makefile b/klt-cert-manager/Makefile
index da913f6ba1..7479de87bb 100644
--- a/klt-cert-manager/Makefile
+++ b/klt-cert-manager/Makefile
@@ -118,7 +118,7 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 ## Tool Versions
 
 # renovate: datasource=github-tags depName=kubernetes-sigs/kustomize
-KUSTOMIZE_VERSION?=v5.0.3
+KUSTOMIZE_VERSION?=v5.1.0
 # renovate: datasource=github-releases depName=kubernetes-sigs/controller-tools
 CONTROLLER_TOOLS_VERSION?=v0.12.0
 
diff --git a/metrics-operator/Makefile b/metrics-operator/Makefile
index 2ce570d32d..99b58a34f2 100644
--- a/metrics-operator/Makefile
+++ b/metrics-operator/Makefile
@@ -25,7 +25,7 @@ ENVTEST_K8S_VERSION=1.24.2
 
 ## Tool Versions
 # renovate: datasource=github-tags depName=kubernetes-sigs/kustomize
-KUSTOMIZE_VERSION?=v5.0.3
+KUSTOMIZE_VERSION?=v5.1.0
 # renovate: datasource=github-releases depName=kubernetes-sigs/controller-tools
 CONTROLLER_TOOLS_VERSION?=v0.12.0
 
diff --git a/operator/Makefile b/operator/Makefile
index 536e08ed24..4c70d50748 100644
--- a/operator/Makefile
+++ b/operator/Makefile
@@ -25,7 +25,7 @@ ENVTEST_K8S_VERSION=1.24.2
 
 ## Tool Versions
 # renovate: datasource=github-tags depName=kubernetes-sigs/kustomize
-KUSTOMIZE_VERSION?=v5.0.3
+KUSTOMIZE_VERSION?=v5.1.0
 # renovate: datasource=github-releases depName=kubernetes-sigs/controller-tools
 CONTROLLER_TOOLS_VERSION?=v0.12.0
 
diff --git a/scheduler/Makefile b/scheduler/Makefile
index f0b8e4de7a..3abc2b292a 100644
--- a/scheduler/Makefile
+++ b/scheduler/Makefile
@@ -46,7 +46,7 @@ $(LOCALBIN):
 
 ## Tool Versions
 # renovate: datasource=github-tags depName=kubernetes-sigs/kustomize
-KUSTOMIZE_VERSION ?= v5.0.3
+KUSTOMIZE_VERSION ?= v5.1.0
 
 ## Tool Binaries
 KUSTOMIZE ?= $(LOCALBIN)/kustomize