diff --git a/.github/workflows/maven.yaml b/.github/workflows/maven.yaml
index fe264e1..d70a067 100644
--- a/.github/workflows/maven.yaml
+++ b/.github/workflows/maven.yaml
@@ -5,9 +5,9 @@ name: Build
 
 on:
   push:
-    branches: [ main, 3.1.x ]
+    branches: [ main, 2.1.x ]
   pull_request:
-    branches: [ main, 3.1.x ]
+    branches: [ main, 2.1.x ]
 
 jobs:
   build: