diff --git a/.github/workflows/welcome.yml b/.github/workflows/welcome.yml
new file mode 100644
index 0000000..6c9a6eb
--- /dev/null
+++ b/.github/workflows/welcome.yml
@@ -0,0 +1,6 @@
+name: Post welcome comment
+on:
+  pull_request:
+    types: [opened]
+permissions:
+  pull-requests: write