diff --git a/pom.xml b/pom.xml
index 80589e0..9c954eb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -193,7 +193,7 @@
 			<dependency>
 				<groupId>com.thoughtworks.xstream</groupId>
 				<artifactId>xstream</artifactId>
-				<version>1.4.4</version>
+				<version>1.4.9</version>
 				<scope>provided</scope>
 			</dependency>
 			<dependency>