diff --git a/images/koolbox/Dockerfile b/images/koolbox/Dockerfile
index 35169c3301986325e2fba4e2b4dcfbb911122217..cd142961e0a47e73bf633128c0df4b1a364452e2 100644
--- a/images/koolbox/Dockerfile
+++ b/images/koolbox/Dockerfile
@@ -2,7 +2,7 @@
 FROM quay.io/fedora/fedora:37 as kubectl
 
 # renovate: datasource=github-releases depName=kubernetes/kubernetes
-ARG KUBECTL_VERSION=v1.26.2
+ARG KUBECTL_VERSION=v1.26.3
 ENV KUBECTL_VERSION=${KUBECTL_VERSION}
 
 RUN curl -LO "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl" \