diff --git a/.github/workflows/pr-merged.yaml b/.github/workflows/pr-merged.yaml
new file mode 100644
index 000000000..1d0c56795
--- /dev/null
+++ b/.github/workflows/pr-merged.yaml
@@ -0,0 +1,11 @@
+name: PR Merged
+
+on:
+  pull_request:
+    types: [closed]
+
+jobs:
+  post:
+    if: ${{ github.event.pull_request.merged == true }}
+    uses: Cysharp/Actions/.github/workflows/dd-event-post.yaml@main
+    secrets: inherit