diff --git a/pom.xml b/pom.xml
index dcb70b6..bac086c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,7 +50,7 @@
       <dependency>
         <groupId>com.thoughtworks.xstream</groupId>
         <artifactId>xstream</artifactId>
-        <version>1.4.15</version>
+        <version>1.4.18</version>
         <exclusions>
           <exclusion>
             <groupId>xmlpull</groupId>