diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b86a21fb..75fc6aaf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,7 +3,7 @@ on:
   push:
     branches:
       - main
-      - 1-8-stable
+      - 1-9-stable
   pull_request:
 jobs:
   rubocop: