diff --git a/.github/workflows/publish_documentation.yml b/.github/workflows/publish_documentation.yml
index 65c42a74e..f5e5c2c75 100644
--- a/.github/workflows/publish_documentation.yml
+++ b/.github/workflows/publish_documentation.yml
@@ -10,6 +10,9 @@ on:
       - docs/examples/**
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 # we don't want to have concurrent jobs, and we don't want to cancel running jobs to avoid broken publications
 concurrency:
   group: documentation