diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 20cd63392a29714da597bc8bfcf78476796d9b79..69afe5fbc5673a1265aaf8b10f1e914e323ed69d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -15,3 +15,4 @@ doxec_test:
     paths:
       - "*.py"
       - "*.eps"
+      - "*.png"