diff --git a/.github/workflows/first-contributor-welcome.yml b/.github/workflows/first-contributor-welcome.yml
index 69c153db8..2d789ec62 100644
--- a/.github/workflows/first-contributor-welcome.yml
+++ b/.github/workflows/first-contributor-welcome.yml
@@ -7,6 +7,10 @@ on:
 permissions:
   contents: read
   issues: write
+  # GitHub accepts either Issues or Pull requests write access for PR comments.
+  # Request both scopes to match the first-time PR workflow and retain a
+  # supported permission path when GitHub issues the Actions token.
+  pull-requests: write
 
 jobs:
   welcome: