diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 4d88a42..2308b5a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -82,5 +82,13 @@ jobs:
           uv sync --group tests
 
       - name: Run tests
+        env:
+          PYTEST_ADDOPTS: "--cov-report=lcov"
         run: |
           uv run test
+
+      - name: Upload coverage to Coveralls
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: coverage.lcov
diff --git a/invenio_theme_iform/__about__.py b/invenio_theme_iform/__about__.py
index 7868d16..d2de250 100644
--- a/invenio_theme_iform/__about__.py
+++ b/invenio_theme_iform/__about__.py
@@ -8,4 +8,4 @@
 
 """Metadata for this python module."""
 
-__version__ = "2025.5.20.3"
+__version__ = "2025.5.20.4"