diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6a3b130..2855042 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -40,3 +40,8 @@ jobs:
 
       - name: test
         run: pnpm test
+
+      - name: codecov
+        uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}