diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cd281be0b5672fa29c90a265f7d6914d1f0da105..de76a71d83318d46519fded0df38a55077737d05 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,6 +16,7 @@ stages:
       - xtrn/**/{GNUm,M}akefile
       - xtrn/**/*.{c,h,cpp,hpp,mk}
       - exec/tests/**/*
+      - "**/*.mk"
 
 include:
   - local: '.gitlab-ci-unix.yml'