diff --git a/.github/workflows/ci_documentation_update.yml b/.github/workflows/ci_documentation_update.yml
index 85fb81c..95d8e01 100644
--- a/.github/workflows/ci_documentation_update.yml
+++ b/.github/workflows/ci_documentation_update.yml
@@ -1,5 +1,7 @@
 
 name: Publish Github Pages Template
+permissions: read-all
+
 on:
   workflow_call:
   workflow_dispatch: