diff --git a/Dockerfile b/Dockerfile
index 3effea9..ebc9f7b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,8 +6,8 @@ ARG DISTRO=focal
 #--------------------------------------
 # base images
 #--------------------------------------
-FROM ghcr.io/containerbase/ubuntu:20.04@sha256:d10b9095125a8f4ae2d245df5f191aa53d1f5cf53042d3b0e9dc35da9f45a5bf AS build-focal
-FROM ghcr.io/containerbase/ubuntu:22.04@sha256:ca9449d4bae930d098f5d05aa33d0d279db957461b06b16928f65794ba8b3c80 AS build-jammy
+FROM ghcr.io/containerbase/ubuntu:20.04@sha256:fa17826afb526a9fc7250e0fbcbfd18d03fe7a54849472f86879d8bf562c629e AS build-focal
+FROM ghcr.io/containerbase/ubuntu:22.04@sha256:adbb90115a21969d2fe6fa7f9af4253e16d45f8d4c1e930182610c4731962658 AS build-jammy
 
 
 #--------------------------------------