diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b0556203f4c23468d3894dbb106533c057d81ab3..1007101f684bd280f9bd08899918915b1e6a788a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,6 +11,15 @@ docs:
   script:
   - mdl -r ~MD013 *.md docs.it4i/
 
+ext_links:
+  stage: test
+  image: davidhrbac/docker-mdcheck:latest
+  allow_failure: true
+  script:
+  - find docs.it4i/ -name '*.md' -exec grep --color -l http {} + | xargs awesome_bot
+  only:
+  - master
+
 mkdocs:
   stage: build
   image: davidhrbac/docker-mkdocscheck:latest