diff --git a/ethereum/source/java-demo/pom.xml b/ethereum/source/java-demo/pom.xml
index 3102a77..a6b7009 100644
--- a/ethereum/source/java-demo/pom.xml
+++ b/ethereum/source/java-demo/pom.xml
@@ -102,7 +102,7 @@
         <dependency>
             <groupId>org.java-websocket</groupId>
             <artifactId>Java-WebSocket</artifactId>
-            <version>1.3.8</version>
+            <version>1.5.0</version>
         </dependency>
 
         <dependency>