diff --git a/.github/workflows/master-build.yml b/.github/workflows/master-build.yml
index 948470b7..77b7207c 100644
--- a/.github/workflows/master-build.yml
+++ b/.github/workflows/master-build.yml
@@ -1,4 +1,6 @@
 name: Master Build
+permissions:
+  contents: read
 on:
   push:
     branches: