diff --git a/.gitlab-ci.yaml b/.gitlab-ci.yaml
index c85c15c9921df407b584e9bed540cbc12413d7b2..85a9e80146aa0637f876b4bf03e9fea61d12c36a 100644
--- a/.gitlab-ci.yaml
+++ b/.gitlab-ci.yaml
@@ -14,7 +14,7 @@ before_script:
    - pwd
    - pip install -U pip
    - pip --version
-   - pip install pytest
+   - pip install pytest black ruff
    - pytest --version