diff --git a/.github/workflows/check-schema-markdown.yml b/.github/workflows/check-schema-markdown.yml
index c0d381f3c..04e684864 100644
--- a/.github/workflows/check-schema-markdown.yml
+++ b/.github/workflows/check-schema-markdown.yml
@@ -11,6 +11,7 @@ on:
       - main
 permissions:
   contents: read
+  pull-requests: write
 
 jobs:
   check-schema-markdown: