diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 558a34e1..fda5d2ce 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -7,7 +7,7 @@ on:
   push:
     branches: [ main, 3.1.x ]
   pull_request:
-    branches: [ main, 3.1.x ]
+    branches: [ main, 4.1.x, 3.1.x ]
 
 jobs:
   build: