diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9a817d7540..5f938f4d86 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -16,6 +16,9 @@ on:
     paths-ignore:
     - "README.md"
     - "release-notes/*"
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ${{ matrix.os }}