Reveal issues on Windows.
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 63611cb..e857a4d 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -20,10 +20,12 @@
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.experimental }}
     strategy:
+      fail-fast: false
       matrix:
+        os: [ubuntu-latest, windows-latest]
         java: [ 8, 11, 14 ]
         experimental: [false]
         include: