diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
new file mode 100644
index 0000000..8432de2
--- /dev/null
+++ b/.github/workflows/coverage.yml
@@ -0,0 +1,18 @@
+name: Test and coverage
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
+        with:
+          go-version: 'stable'
+      - name: Run coverage
+        run: go test -race -coverprofile=coverage.txt -covermode=atomic
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4-beta
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}