diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c509b2c3831b15c3da3ea433da506e14d301ddfe..c9ffaa405b1493f30974d701f18c54abb677961b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,6 +9,7 @@ before_script:
   - poetry --version
   - cd build/
   - poetry install --no-root
+  - source $(poetry env info --path)/bin/activate
   - cd ..