diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0fb6a8ad27e7b86e15865062ed7f30829283314c..7559bf2824b2d2db24ec4915667a4ba4a0fc073e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -29,7 +29,8 @@ build-docs:
   before_script:
     - cd docs
     - gem install bundler
-    - bundle install --path vendor
+    - bundle config set --local path 'vendor'
+    - bundle install
   script: bundle exec jekyll build
   artifacts:
     paths: