diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
index 0251613..8eab8c6 100644
--- a/.github/workflows/swift.yml
+++ b/.github/workflows/swift.yml
@@ -6,6 +6,10 @@ on:
   pull_request:
     branches: [ main ]
 
+permissions:
+  contents: read
+  pull-requests: read
+
 jobs:
   build: