diff --git a/pom.xml b/pom.xml
index 55cb0d9..42b1eee 100644
--- a/pom.xml
+++ b/pom.xml
@@ -111,7 +111,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.2</version>
+            <version>1.4.18</version>
             <scope>compile</scope>
         </dependency>