diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b9ccb7d..7380b5e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,4 +1,6 @@
 name: CI
+permissions:
+  contents: read
 
 on:
   push: