diff --git a/pom.xml b/pom.xml
index 2abc16b..d21b5c3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -95,7 +95,7 @@
 		<itext.version>2.1.7</itext.version>
 		<spring.security.version>3.1.3.RELEASE</spring.security.version>
 		<shiro.version>1.2.1</shiro.version>
-		<xstream.version>1.4.4</xstream.version>
+		<xstream.version>1.4.18</xstream.version>
 		<jettison.version>1.3.3</jettison.version>
 		<xpp3.version>1.1.4c</xpp3.version>
 		<xmlpull.version>1.1.3.1</xmlpull.version>