diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
index 8f82b31..9ac0551 100644
--- a/.github/workflows/swift.yml
+++ b/.github/workflows/swift.yml
@@ -3,6 +3,9 @@
 
 name: Swift
 
+permissions:
+  contents: read
+
 on:
   push:
     branches: [ "main" ]