diff --git a/.github/workflows/dotnet.tests.yml b/.github/workflows/dotnet.tests.yml
index 20fb063..12ef73c 100644
--- a/.github/workflows/dotnet.tests.yml
+++ b/.github/workflows/dotnet.tests.yml
@@ -1,3 +1,6 @@
+permissions:
+  contents: read
+
 name: .NET Test
 
 on: