diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9ababcb7b0e7811a4b26f1fb89c776d5fb656300..852d9427700a8c62f609880bb780ceca055107c9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -44,15 +44,20 @@ test:
       - PYTHON_VERSION: "3.7"
 
 coverage:
-    image: docker.km3net.de/base/python:3.6
-    stage: coverage
-    script:
-        - *virtualenv_definition
-        - "make test-cov|grep TOTAL| awk '{printf \"COVERAGE: %.2f%%\", (1-$3/$2)*100 }'"
-    coverage: '/COVERAGE:\s*([0-9]*\.[0-9]*%)/'
-    artifacts:
-        paths:
-            - reports/coverage
+  image: docker.km3net.de/base/python:$PYTHON_VERSION
+  stage: coverage
+  script:
+    - mkdir -p reports
+    - *virtualenv_definition
+    - "make test-cov | grep TOTAL | awk '{printf \"COVERAGE: %.2f%%\", (1-$3/$2)*100 }'"
+  coverage: '/COVERAGE:\s*([0-9]*\.[0-9]*%)/'
+  parallel:
+    matrix:
+      - PYTHON_VERSION: "3.6"
+      - PYTHON_VERSION: "3.7"
+  artifacts:
+    paths:
+      - reports/coverage
 
 
 pages: