diff --git a/Dockerfile b/Dockerfile
index a21e88ba..6a287cec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG CONTAINERBASE_VERSION=14.55.1
 
 FROM ghcr.io/containerbase/base:${CONTAINERBASE_VERSION} AS containerbase
 
-FROM ghcr.io/containerbase/ubuntu:24.04@sha256:24737cef17f4e22b1977df7d9a05e77c4e28b7da5b8911f8d8ccda136bf3573c
+FROM ghcr.io/containerbase/ubuntu:26.04@sha256:19fcd1bf268f02b60aca3bd30bd8a6d9a11759a430e32921833e65f16d87348a
 
 ARG CONTAINERBASE_VERSION
 ARG APT_HTTP_PROXY