diff --git a/pom.xml b/pom.xml
index 760b81b1..16e0a9d3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -198,7 +198,7 @@
     <dependency>
       <groupId>com.thoughtworks.xstream</groupId>
       <artifactId>xstream</artifactId>
-      <version>1.3.1</version>
+      <version>1.4.19</version>
     </dependency> 
     <dependency>
       <groupId>com.eaio.eaio</groupId>