diff --git a/.github/workflows/build-samples.yml b/.github/workflows/build-samples.yml
index 73c9558..5bd7862 100644
--- a/.github/workflows/build-samples.yml
+++ b/.github/workflows/build-samples.yml
@@ -12,6 +12,9 @@ on:
       - "samples/**"
       - ".github/workflows/build-samples.yml"
 
+permissions:
+  contents: read
+
 jobs:
   dotnet:
     name: .NET Samples