diff --git a/Dockerfile b/Dockerfile
index e5c5f1b..f524f8e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG CONTAINERBASE_VERSION=14.11.3
 
 FROM ghcr.io/containerbase/base:${CONTAINERBASE_VERSION} as containerbase
 
-FROM ghcr.io/containerbase/ubuntu:24.04@sha256:786a8b558f7be160c6c8c4a54f9a57274f3b4fb1491cf65146521ae77ff1dc54
+FROM ghcr.io/containerbase/ubuntu:26.04@sha256:f3d28607ddd78734bb7f71f117f3c6706c666b8b76cbff7c9ff6e5718d46ff64
 
 ARG CONTAINERBASE_VERSION
 ARG APT_HTTP_PROXY