diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 86c53f5..7c67d5c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ main ]
 
+permissions:
+  contents: read
+
 env:
   DOTNET_NOLOGO: true
   DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true