diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9c7ea4a..5ff612e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -2,6 +2,9 @@ on: [push, pull_request]
 
 name: Main
 
+permissions:
+  contents: read
+
 jobs:
   build:
     name: Build