diff --git a/pom.xml b/pom.xml
index 42d64413d8..4a4c510f5b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -501,7 +501,7 @@
             <dependency>
                 <groupId>com.thoughtworks.xstream</groupId>
                 <artifactId>xstream</artifactId>
-                <version>1.3.1</version>
+                <version>1.4.18</version>
             </dependency>
             <dependency>
                 <groupId>javassist</groupId>