diff --git a/modules/jpm2-core/pom.xml b/modules/jpm2-core/pom.xml
index b4d1a0be..e7240087 100644
--- a/modules/jpm2-core/pom.xml
+++ b/modules/jpm2-core/pom.xml
@@ -125,7 +125,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.3.1</version>
+            <version>1.4.6</version>
             <type>jar</type>
         </dependency>
         <dependency>