diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index f27f96f..581d538 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -9,6 +9,9 @@ on:
   pull_request:
     branches: [ "main" ]
 
+permissions:
+  contents: read
+
 jobs:
   build: