diff --git a/.github/workflows/unittest.yml b/.github/workflows/test.yml
similarity index 74%
rename from .github/workflows/unittest.yml
rename to .github/workflows/test.yml
index 5d8a491..0509fe3 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/test.yml
@@ -43,4 +43,15 @@ jobs:
       - name: Test with pytest
         shell: bash {0}
         run: |
-          uv run pytest --cov=heavytail --cov-branch --cov-report=term-missing --cov-report=xml:coverage.xml -vv tests
\ No newline at end of file
+          uv run pytest --cov=heavytail --cov-branch --cov-report=term-missing --cov-report=xml:coverage.xml -vv tests
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          directory: .
+          env_vars: OS,PYTHON
+          fail_ci_if_error: true
+          files: coverage.xml
+          flags: unittests
+          name: codecov-umbrella
+          verbose: true