diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1f947f4cdd5c87558dc3c17fa3981173c61a222b..45596741f8b5ace39fa9597d95f02cd9f904d148 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,4 +33,5 @@ pytest:
   dependencies:
     - download_dependencies
   script:
+    - pip install pytest
     - pytest calculator