diff --git a/demo/java/groovy/build.gradle b/demo/java/groovy/build.gradle
index 7e7ed14d..d5b03d61 100644
--- a/demo/java/groovy/build.gradle
+++ b/demo/java/groovy/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id 'java'
-    id 'org.jsonschema2dataclass' version '4.0.1'
+    id 'org.jsonschema2dataclass' version '4.1.1'
 }
 
 repositories {