diff --git a/.github/workflows/coverage.yaml b/.github/workflows/coverage.yaml
new file mode 100644
index 00000000..8c8a3b1f
--- /dev/null
+++ b/.github/workflows/coverage.yaml
@@ -0,0 +1,31 @@
+name: Goveralls (Unit test)
+on: [push, pull_request]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        go: ['1.13']
+
+    steps:
+      - uses: actions/setup-go@v1
+        with:
+          go-version: ${{ matrix.go }}
+      - uses: actions/checkout@v2
+      - run: go test -v -coverprofile=profile.cov ./pkg/...
+      - name: Send coverage
+        uses: shogo82148/actions-goveralls@v1
+        with:
+          path-to-profile: profile.cov
+          flag-name: Go-${{ matrix.go }}
+          parallel: true
+
+  # notifies that all test jobs are finished.
+  finish:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: shogo82148/actions-goveralls@v1
+        with:
+          parallel-finished: true
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