diff --git a/jBPM5Example_SyncWSHumanTaskHandler/ejb/pom.xml b/jBPM5Example_SyncWSHumanTaskHandler/ejb/pom.xml
index b92e1d4..fd8fb2e 100644
--- a/jBPM5Example_SyncWSHumanTaskHandler/ejb/pom.xml
+++ b/jBPM5Example_SyncWSHumanTaskHandler/ejb/pom.xml
@@ -68,7 +68,7 @@
     <dependency>
       <groupId>com.thoughtworks.xstream</groupId>
       <artifactId>xstream</artifactId>
-      <version>1.3.1</version>
+      <version>1.4.17</version>
     </dependency>
 
     <!-- required if you compile drl -->