diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7f322bb..a0ca9c2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,6 +9,9 @@ on:
     paths-ignore:
     - "README.md"
     - "release-notes/*"
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ${{ matrix.os }}