diff --git a/builder/Containerfile b/builder/Containerfile
index 7d44137ae..2c0d63962 100644
--- a/builder/Containerfile
+++ b/builder/Containerfile
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 #
 
-FROM debian:13.4 AS base
+FROM debian:13.6 AS base
 RUN apt-get update \
     && apt-get install --yes --no-install-recommends --no-install-suggests \
         # openwrt build dependencies https://openwrt.org/docs/guide-developer/toolchain/install-buildsystem#debianubuntumint