diff --git a/.github/workflows/coveralls.yml b/.github/workflows/coveralls.yml
new file mode 100644
index 0000000..a9d5499
--- /dev/null
+++ b/.github/workflows/coveralls.yml
@@ -0,0 +1,9 @@
+name: coveralls
+on: workflow_dispatch
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: coverallsapp/github-action@v1
+        with: { github-token: "${{ secrets.github_token }}" }