diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a2dc43b..0eb985a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,7 +3,7 @@ on:
   workflow_dispatch:
   push:
     branches:
-      - '3.x'
+      - '4.x'
   pull_request:
 permissions:
   contents: read