diff --git a/pom.xml b/pom.xml
index 609cd09af..487e4ada2 100755
--- a/pom.xml
+++ b/pom.xml
@@ -104,6 +104,12 @@
 
         <!-- optional dependencies -->
 
+        <dependency>
+            <groupId>com.thoughtworks.xstream</groupId>
+            <artifactId>xstream</artifactId>
+            <version>1.4.12</version>
+        </dependency>
+
         <dependency>
             <groupId>org.codehaus.jettison</groupId>
             <artifactId>jettison</artifactId>