diff --git a/Dockerfile b/Dockerfile
index cc42e8d..179aee4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ ARG KUBECONFORM_VERSION
 ARG POLARIS_VERSION
 
 # renovate: datasource=github-releases depName=kubernetes/kubernetes
-ENV KUBECTL_VERSION="${KUBECTL_VERSION:-v1.27.4}"
+ENV KUBECTL_VERSION="${KUBECTL_VERSION:-v1.28.0}"
 # renovate: datasource=github-releases depName=mikefarah/yq
 ENV YQ_VERSION="${YQ_VERSION:-v4.35.1}"
 # renovate: datasource=github-releases depName=helm/helm