diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc01c3400..90303624e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,7 +55,7 @@ jobs:
               # Only collect code coverage with aiida-core=2.3, to speed up tests
               # with higher aiida versions that for some reason run slower, see:
               # https://github.com/aiidalab/aiidalab-qe/issues/766
-              run: pytest -v tests ${{ matrix.aiida-core-version == '2.3' && '--cov=aiidalab_qe' || '' }}
+              run: pytest -v tests ${{ matrix.aiida-core-version == '2.3' && '--cov=aiidalab_qe' || '' }} --skip-slow
 
             - name: Upload coverage reports to Codecov
               uses: codecov/codecov-action@v4