diff --git a/.github/workflows/pull_requests.yml b/.github/workflows/pull_requests.yml
index 7f65b617..8f04df72 100644
--- a/.github/workflows/pull_requests.yml
+++ b/.github/workflows/pull_requests.yml
@@ -1,5 +1,8 @@
 name: "Pull Requests"
 
+permissions:
+  contents: read
+
 on:
   workflow_dispatch:
   pull_request: