diff --git a/.github/workflows/build-doc.yml b/.github/workflows/build-doc.yml
index 9ffc93a..96aa0c4 100644
--- a/.github/workflows/build-doc.yml
+++ b/.github/workflows/build-doc.yml
@@ -1,9 +1,8 @@
 name: Build documentation for GitHub Pages 
 
 on:
-  push:
-    branches:
-      - main
+  release:
+    types: [published]
 
   workflow_dispatch: # Enable manual action trigger