diff --git a/docker/backend/Dockerfile b/docker/backend/Dockerfile
index 3a9af4d4a..79d9d004a 100644
--- a/docker/backend/Dockerfile
+++ b/docker/backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/ubuntu:latest
+FROM devfra.azurecr.io/de.fraport.build/tools:1.1.0
 
 # DEBUG: list apt sources
 RUN grep ^ /etc/apt/sources.list /etc/apt/sources.list.d/*