diff --git a/pom.xml b/pom.xml
index a6b8c5f..2a7f8a1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.thoughtworks.xstream</groupId>
       <artifactId>xstream</artifactId>
-      <version>1.4.8</version>
+      <version>1.4.18</version>
       <scope>compile</scope>
     </dependency>
     <dependency>