diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9b2da1e13..91894b6cd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,10 +5,12 @@ on:
     branches:
       - master
       - next
+      - 3.x.x
   pull_request:
     branches:
       - master
       - next
+      - 3.x.x
 
 jobs:
   test: