diff --git a/.github/workflows/codecov.yaml b/.github/workflows/codecov.yaml
new file mode 100644
index 0000000..7ce1a82
--- /dev/null
+++ b/.github/workflows/codecov.yaml
@@ -0,0 +1,21 @@
+name: codecov
+
+on:
+  pull_request:
+    types: [opened]
+
+jobs:
+  codecov:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v4.0.1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: false
+          verbose: true
+          flags: total