diff --git a/.github/workflows/thank_contributors.yaml b/.github/workflows/thank_contributors.yaml
new file mode 100644
index 0000000..f941bcb
--- /dev/null
+++ b/.github/workflows/thank_contributors.yaml
@@ -0,0 +1,20 @@
+name: Thank Contributors
+
+on:
+  pull_request:
+    t/ypes: [closed]
+
+jobs:
+  thank_contributor:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Thank the contributor
+        run: |
+          curl -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+             -X POST \
+             -d "{\"body\": \"Thanks for your contribution @${{ github.event.pull_request.user.login }}\"}" \
+             "https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments"