diff --git a/.github/workflows/build_preview.yml b/.github/workflows/build_preview.yml
index 65ae9a94f..7eaae4a19 100644
--- a/.github/workflows/build_preview.yml
+++ b/.github/workflows/build_preview.yml
@@ -8,6 +8,9 @@ on:
       - synchronize
       - closed
 
+permissions:
+  actions: read
+  
 concurrency: 
   group: preview-${{ github.ref }}
   cancel-in-progress: true