diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 595e9d1c281fdd750af9db26db3aa93a2f7b3b49..0d224963eeaf2409555bd0d5de3e94ebd3cf65a5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -15,6 +15,7 @@ pages:
     - pip3 install sphinx
     - pip3 install sphinxcontrib-bibtex sphinx_rtd_theme sphinx-argparse
     - pip3 install -r requirements.txt
+    - pip3 install pandas
     - cd doc
     - sphinx-apidoc -f -o ./source/_autosummary/ ../jass_preprocessing/
     - make html