diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 693ea1b7400a07c64d7f6d0d6c24acaf58b6ab8c..153cb7d67bd0ce6af99bae847bb4d7e176e2fab6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,6 +20,7 @@ test:
   needs: [build_package]
   script:
     - poetry update
+    - poetry install
     - poetry run coverage run --source=tests -m unittest discover
     - poetry run coverage report