diff --git a/contrib/heptapod-ci.yml b/contrib/heptapod-ci.yml
--- a/contrib/heptapod-ci.yml
+++ b/contrib/heptapod-ci.yml
@@ -10,4 +10,4 @@
 checks-py2:
     script:
         - cd tests/
-        - python run-tests.py --time test-check-*.*
+        - python run-tests.py --color=always --time test-check-*.*