diff --git a/.github/workflows/std.yml b/.github/workflows/std.yml
index 71bea44d..779d3e4b 100644
--- a/.github/workflows/std.yml
+++ b/.github/workflows/std.yml
@@ -2,8 +2,9 @@ name: Standard Document PDF Preview generation
 
 on:
   push:
+    branches: [20-update-vo-dml-standard-document]
   pull_request:
-
+    branches: [20-update-vo-dml-standard-document]
 jobs:
    build:
      runs-on: ubuntu_latest