diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f4d443f848a72c2a5ae99160ec6846b1b134be93..aaea8e3c74889773c9e3e0366453161dca8b3c0e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,6 +4,8 @@ image: sphinxdoc/sphinx
 before_script: []
 pages:
   script:
+    - apt-get update
+    - apt-get install -y pandoc
     - pip3 install sphinx-autoapi
     - pip3 install nbsphinx
     - sphinx-build -M html doc public