diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9ffa698e3c43aca388c838a51c630de9dc34ed3a..7037578b54d579515342ab6f09cc77ebc3384eeb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -67,6 +67,7 @@ coverage:
     stage: coverage
     script:
         - *virtualenv_definition
+        - make install-dev
         - "make test-cov|grep TOTAL| awk '{printf \"COVERAGE: %.2f%%\", (1-$3/$2)*100 }'"
     coverage: '/COVERAGE:\s*([0-9]*\.[0-9]*%)/'
     #     - make test-cov