diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ecc2891..8f707e1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -3,13 +3,14 @@ name: Build
 on:
   pull_request_target:
     branches:
-      - main
+      - hawtio-3.x
       - hawtio-4.x
     paths-ignore:
       - '**.md'
   push:
     branches:
-      - main
+      - hawtio-3.x
+      - hawtio-4.x
     paths-ignore:
       - '**.md'