diff --git a/.github/workflows/backport-bot.yml b/.github/workflows/backport-bot.yml
index f468dc3736..153c632476 100644
--- a/.github/workflows/backport-bot.yml
+++ b/.github/workflows/backport-bot.yml
@@ -8,6 +8,8 @@ on:
   push:
     branches:
       - '*.x'
+permissions:
+  contents: read
 jobs:
   build:
     permissions: