diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f5bd200..85ac9e1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
         set -e
         source "${HOME}/conda/etc/profile.d/conda.sh"
         conda activate bioemu
-        coverage run --source=bioemu -m pytest tests/
+        coverage run --source=bioemu -m pytest tests/ --durations=20
         coverage xml  # produces coverage.xml file
         coverage html # produces htmlcov directory
     - name: Upload code coverage report
@@ -69,4 +69,4 @@ jobs:
       env:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         PR_NUMBER: ${{ github.event.number }}
-      continue-on-error: true # workflow triggered by PRs from external forks cannot comment
\ No newline at end of file
+      continue-on-error: true # workflow triggered by PRs from external forks cannot comment