diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index bf5af81aa..0a5fbc3d5 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -2,9 +2,9 @@ name: Build
 
 on:
   push:
-    branches: [ main ]
+    branches: [ main, 3.1.x ]
   pull_request:
-    branches: [ main ]
+    branches: [ main, 3.1.x ]
 
 jobs:
   build:
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: ["8", "11", "17"]
+        java: ["17"]
 
     steps:
       - uses: actions/checkout@v2