diff --git a/.github/workflows/ci-pr.yml b/.github/workflows/ci-pr.yml
index 32479d4..3e9a6f1 100644
--- a/.github/workflows/ci-pr.yml
+++ b/.github/workflows/ci-pr.yml
@@ -4,6 +4,9 @@ on:
   pull_request:
     branches: [ master ]
 
+permissions:
+  contents: read
+
 jobs:
   validate:
     name: Validate PR