diff --git a/Dockerfile.www-gitlab-com-2.6 b/Dockerfile.www-gitlab-com-2.6
index 7ff8167..b84512b 100644
--- a/Dockerfile.www-gitlab-com-2.6
+++ b/Dockerfile.www-gitlab-com-2.6
@@ -1,4 +1,4 @@
-FROM ruby:2.6-slim
+FROM ruby:2.6-slim-stretch
 
 ADD /scripts/ /scripts/
 RUN /scripts/install-www-gitlab-com