diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2d1ee78d8305de24c562733c303f001a6628cbf5..3483fe466b6b693bac6954e5176965ffce267347 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,6 +16,7 @@ before_script:
   - pip install mkdocs-minify-plugin
   - pip install mkdocs-macros-plugin
   - pip install mkdocs-include-markdown-plugin
+  - pip install mkdocs-embed-external-markdown
 
 test:
   stage: test