diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index c8819c7..f8dd61a 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -15,3 +15,8 @@ jobs:
     - name: Unit Test
       run: |
         python -m unittest discover
+    - name: Coverage
+      run: |
+        pip install coverage
+        python -m coverage run -m unittest discover
+        python -m coverage report -m --include check_http_json.py