diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index 7f530d0..e09e401 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -1,5 +1,8 @@
 name: .NET Continuous Integration
 
+permissions:
+  contents: read
+
 on:
   pull_request:
     branches: [ main ]