diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 13db2d37e5f7356bc1d7ef6602840c3fa3bc5975..a39409e759c75fac8d42c61e4a6f941fcc9e1dea 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,7 +20,7 @@ build and upload the contents:
     - chmod 700 ~/.ssh
     - ssh-keyscan tnw-tn1.tudelft.net >> ~/.ssh/known_hosts
     - chmod 644 ~/.ssh/known_hosts
-    - pip install -U mkdocs mkdocs-material python-markdown-math
+    - pip install -U mkdocs mkdocs-material python-markdown-math notedown
 
   script:
     # Compile lectures