diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fcdcb60..0bbff9c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,4 +1,6 @@
 name: build
+permissions:
+  contents: read
 
 on:
   push: