diff --git a/pom.xml b/pom.xml
index 3672207..2c9b0d8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -205,7 +205,7 @@
             <dependency>
                 <groupId>com.thoughtworks.xstream</groupId>
                 <artifactId>xstream</artifactId>
-                <version>1.4.8</version>
+                <version>1.4.18</version>
             </dependency>
 
             <dependency>