diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 775935e1..c4bd5505 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -121,6 +121,8 @@ pages:
     - cp PRIVACY.md docs/_includes/privacy.md
     - cp CHANGELOG.md docs/_includes/changelog.md
     - cd docs
+    - gem install bundler
+    - bundle install
     - bundle exec jekyll build -d public
     - cd ..
     - mv docs/public/ ./