diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index c3c80a8..b5c2ce0 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -2,6 +2,10 @@ name: Dart CI
 
 on: [push, pull_request]
 
+permissions:
+  contents: read
+  pull-requests: read
+
 jobs:
   build:
     runs-on: ubuntu-latest