diff --git a/.github/workflows/ci_build.yml b/.github/workflows/ci_build.yml
index efa0e3d..94fe86e 100644
--- a/.github/workflows/ci_build.yml
+++ b/.github/workflows/ci_build.yml
@@ -2,9 +2,11 @@ on:
   push:
     branches:
       - master
+      - '[0-9]+.[0-9]+.x'
   pull_request:
     branches:
       - master
+      - '[0-9]+.[0-9]+.x'
 
 name: voidlinux glibc