diff --git a/images/koolbox/Dockerfile b/images/koolbox/Dockerfile
index 37758714d749af1ed291ed1674600efc741c1109..7960f6f8096eef9f051d4dde8451881ed6d95fa9 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" \