diff --git a/.github/workflows/update-site.yml b/.github/workflows/update-site.yml
index 0e28ea5..635502d 100755
--- a/.github/workflows/update-site.yml
+++ b/.github/workflows/update-site.yml
@@ -1,7 +1,11 @@
 name: update site
 
-on: workflow_dispatch  
-
+on:
+  push:
+    branches:
+      - 'master' 
+    paths:
+      - 'README.md'
 jobs:
   build:
     runs-on: ubuntu-latest