diff --git a/.github/workflows/draft-PDF.yml b/.github/workflows/draft-PDF.yml
index f85b711..6204dd5 100644
--- a/.github/workflows/draft-PDF.yml
+++ b/.github/workflows/draft-PDF.yml
@@ -1,4 +1,6 @@
-on: [push]
+on:
+  push:
+    branches: [ paper ]
 
 jobs:
   paper: