diff --git a/.github/workflows/gen_readme.yml b/.github/workflows/gen_readme.yml
index c449108f..505f71a1 100644
--- a/.github/workflows/gen_readme.yml
+++ b/.github/workflows/gen_readme.yml
@@ -3,7 +3,7 @@ name: Generate README
 on:
   push:
     branches:
-      - main
+      - nightly
 
 permissions:
   contents: write