diff --git a/package-scripts/gitlab/postinst b/package-scripts/gitlab/postinst
index e1f8b2d..5134ed6 100755
--- a/package-scripts/gitlab/postinst
+++ b/package-scripts/gitlab/postinst
@@ -21,5 +21,8 @@ echo "Thank you for installing GitLab!"
 echo "You can configure GitLab for your system by running the following command:"
 echo
 echo "sudo gitlab-ctl reconfigure"
+echo
+echo WARNING: this is an unstable release. This installer should not be used in production.
+echo
 
 exit 0
--
libgit2 0.21.2