diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a08537e..8d73839 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -3,6 +3,9 @@
 
 name: .NET
 
+permissions:
+  contents: read
+
 on:
   push:
     branches: [ "main" ]