diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5bd1c4d571b16702318c6dbba5e39f9c89dc6664..0a37edb9fdbe565948561db36e944d19e564d9df 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -102,3 +102,5 @@ gnumake:cgal:
 
 gnumake:no_cgal:
   <<: *gnumake_def
+
+# for CI testing