diff --git a/client/pom.xml b/client/pom.xml
index 1949d52..ceef4cf 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -44,7 +44,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.3.1</version>
+			<version>1.4.18</version>
 		</dependency>
 		<dependency>
 			<groupId>junit</groupId>