diff --git a/pom.xml b/pom.xml
index ac04e16f..2e9c8e70 100644
--- a/pom.xml
+++ b/pom.xml
@@ -197,7 +197,7 @@
       <dependency>
         <groupId>com.thoughtworks.xstream</groupId>
         <artifactId>xstream</artifactId>
-        <version>1.3.1</version>
+        <version>1.4.18</version>
       </dependency>
 
       <dependency>