tell Jenkins to run build with Java 11
diff --git a/.sling-module.json b/.sling-module.json
new file mode 100644
index 0000000..7f9d118
--- /dev/null
+++ b/.sling-module.json
@@ -0,0 +1,7 @@
+{
+  "jenkins": {
+    "jdks": [
+      11
+    ]
+  }
+}