diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e727c0878..13ddf78b7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,6 @@ jobs:
 
         strategy:
             matrix:
-                tag: [latest]
                 python-version: ['3.9', '3.10']
                 aiida-core-version: [2.3, 2.5]
             fail-fast: false
@@ -51,9 +50,7 @@ jobs:
               run: uv pip install --system -e .[dev] aiida-core==${{ matrix.aiida-core-version }}
 
             - name: Run pytest
-              run: pytest -v tests --cov=aiidalab_qe
-              env:
-                  TAG: ${{ matrix.tag }}
+              run: pytest -v tests ${{ aiida-core-version == '2.3' && --cov=aiidalab_qe || '' }}
 
             - name: Upload coverage reports to Codecov
               uses: codecov/codecov-action@v4