diff --git a/capi-workspace-docker/Dockerfile b/capi-workspace-docker/Dockerfile
index 4c28574..ce3198d 100644
--- a/capi-workspace-docker/Dockerfile
+++ b/capi-workspace-docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:focal
+FROM ubuntu:groovy-20210325
 
 
 RUN apt-get update