diff --git a/Dockerfile b/Dockerfile
index 9c281bc..bb0a854 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG CONTAINERBASE_VERSION=14.9.7
 
 FROM ghcr.io/containerbase/base:${CONTAINERBASE_VERSION} as containerbase
 
-FROM ghcr.io/containerbase/ubuntu:24.04@sha256:c4a8d5503dfb2a3eb8ab5f807da5bc69a85730fb49b5cfca2330194ebcc41c7b
+FROM ghcr.io/containerbase/ubuntu:26.04@sha256:f3d28607ddd78734bb7f71f117f3c6706c666b8b76cbff7c9ff6e5718d46ff64
 
 ARG CONTAINERBASE_VERSION
 ARG APT_HTTP_PROXY