diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a3e50ca2..3f62262c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -5,6 +5,9 @@ on:
     branches: ["main"]
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
   build-linux:
     name: Build (Linux)