diff --git a/Dockerfile.danger b/Dockerfile.danger
index 30a4828..f4260f0 100644
--- a/Dockerfile.danger
+++ b/Dockerfile.danger
@@ -1,4 +1,4 @@
-FROM ruby:2.6-stretch
+FROM ruby:2.5-stretch
 MAINTAINER GitLab Quality Team
 
 ADD /scripts/ /scripts/