diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..9d50004
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,3 @@
+[run]
+branch = True
+source = pyperclip3
\ No newline at end of file
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 57e3fd4..58b4d71 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -16,8 +16,10 @@ jobs:
           architecture: 'x64'
 
       - name: install
-        run: python -m pip install --upgrade . && python -m pip install pytest
+        run: python -m pip install --upgrade . && python -m pip install pytest coverage coveralls
 
       - name: run tests
-        run: python3.8 -m pytest -v
+        env: # Or as an environment variable
+          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+        run: coverage run -m pytest -v && coveralls