diff --git a/base/Dockerfile b/base/Dockerfile
index 3c429dc9e2647b569a22863924e29c8619bda4c5..a30e1e4f7996c529827d304d709b6363fe3e20f7 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:focal
+FROM docker-registry.ebrains.eu/clb-jupyter-image/ubuntu:focal
 
 LABEL maintainer="Collaboratory Platform <platform@humanbrainproject.eu>"