diff --git a/k8s-tools/Dockerfile b/k8s-tools/Dockerfile
index adf3a065..fee0e173 100644
--- a/k8s-tools/Dockerfile
+++ b/k8s-tools/Dockerfile
@@ -32,7 +32,7 @@ RUN echo "Computed sha256sum: $(sha256sum ${CREDHUB_CLI_FILENAME})" \
 
 # We need to synchronize this kustomize version with embedded fluxcd version and kubectl embedded version !
 # renovate: datasource=github-releases depName=kubernetes-sigs/kustomize
-ENV KUSTOMIZE_VERSION 4.5.4
+ENV KUSTOMIZE_VERSION kustomize/v5.1.1
 ENV KUSTOMIZE_SUM 1159c5c17c964257123b10e7d8864e9fe7f9a580d4124a388e746e4003added3
 ENV KUSTOMIZE_FILENAME kustomize_v${KUSTOMIZE_VERSION}_linux_amd64.tar.gz
 ADD https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/v${KUSTOMIZE_VERSION}/kustomize_v${KUSTOMIZE_VERSION}_linux_amd64.tar.gz .
diff --git a/k8s-tools/k8s-tools_spec.rb b/k8s-tools/k8s-tools_spec.rb
index 6e0c9d82..0cf4eeb6 100644
--- a/k8s-tools/k8s-tools_spec.rb
+++ b/k8s-tools/k8s-tools_spec.rb
@@ -5,7 +5,7 @@
 BOSH_CLI_VERSION="7.4.0" # renovate: datasource=github-releases depName=cloudfoundry/bosh-cli
 YTT_VERSION="0.45.4"  # renovate: datasource=github-releases depName=k14s/ytt
 CREDHUB_CLI_VERSION='2.9.19' # renovate: datasource=github-releases depName=cloudfoundry/credhub-cli
-KUSTOMIZE_VERSION="4.5.4" # renovate: datasource=github-releases depName=kubernetes-sigs/kustomize
+KUSTOMIZE_VERSION="kustomize/v5.1.1" # renovate: datasource=github-releases depName=kubernetes-sigs/kustomize
 KAPP_VERSION="0.58.0" # renovate: datasource=github-releases depName=k14s/kapp
 KUBECTL_VERSION="1.24.17" # renovate: datasource=github-tags depName=kubernetes/kubectl
 HELM_VERSION="3.12.0" # renovate: datasource=github-releases depName=helm/helm