diff --git a/.github/workflows/pr-validation.yml b/.github/workflows/pr-validation.yml
index 4fbe622b..4d70443d 100644
--- a/.github/workflows/pr-validation.yml
+++ b/.github/workflows/pr-validation.yml
@@ -13,6 +13,9 @@ on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 env:
   # Configure protoc and go grpc plugin
   PROTOC_VERSION: "36.x"