diff --git a/Dockerfile b/Dockerfile
index 9459e11..989e99d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG CONTAINERBASE_VERSION=14.13.12
 
 FROM ghcr.io/containerbase/base:${CONTAINERBASE_VERSION} as containerbase
 
-FROM ghcr.io/containerbase/ubuntu:24.04@sha256:561618e2c15bf2397621dd04f96926663a3b5616c189cf7e38db7e82f5c538ea
+FROM ghcr.io/containerbase/ubuntu:26.04@sha256:678c6550cc43645e08669028bc177f50be4e7c5b8cca677067b1914d4afc7a03
 
 ARG CONTAINERBASE_VERSION
 ARG APT_HTTP_PROXY