diff --git a/pom.xml b/pom.xml
index 7acba77d5..73dfc916a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -175,7 +175,7 @@
       <dependency>
         <groupId>com.thoughtworks.xstream</groupId>
         <artifactId>xstream</artifactId>
-        <version>1.4.17</version>
+        <version>1.4.18</version>
       </dependency>
       <dependency>
         <groupId>com.google.guava</groupId>