diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0467b1a..4638e48 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -39,7 +39,7 @@ jobs:
       - name: Run the test suite
         run: tox run -e py${{ matrix.python-version }} -- -vv --color=yes
       - name: Upload coverage report if tests fail.
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: code-coverage-report-${{ runner.os }}-python-${{ matrix.python-version }}
           path: htmlcov