diff --git a/.github/workflows/make-roms.yml b/.github/workflows/make-roms.yml
index a7bc4ec..ebd463b 100644
--- a/.github/workflows/make-roms.yml
+++ b/.github/workflows/make-roms.yml
@@ -1,6 +1,8 @@
 name: Make ROMs
 
 on:
+  push:
+    branches: ['python3-subset']
   workflow_dispatch:
 
 permissions: