diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e3228df22cc..973a0539d75 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -5,9 +5,14 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
+
 jobs:
   build:
 
+    permissions:
+      contents: none
     runs-on: ubuntu-latest
 
     steps: