diff --git a/.github/workflows/broken-links-site.yml b/.github/workflows/broken-links-site.yml
index b6b9e2df..ae9f6e25 100644
--- a/.github/workflows/broken-links-site.yml
+++ b/.github/workflows/broken-links-site.yml
@@ -1,5 +1,8 @@
 name: Check for broken links on site
 
+permissions:
+  contents: read
+
 on:
   workflow_run:
     workflows: [Deploy site]