GitHub builds on Java 8, 11, and 14 (current), allow fails on 15-ea.
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index e17f9e1..672c516 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -21,9 +21,14 @@
   build:
 
     runs-on: ubuntu-latest
+    continue-on-error: ${{ matrix.experimental }}
     strategy:
       matrix:
-        java: [ 8, 11, 12, 13, 14 ]
+        java: [ 8, 11, 14 ]
+        experimental: [false]
+        include:
+          - node: 15-ea
+            experimental: true        
         
     steps:
     - uses: actions/checkout@v1