diff --git a/pom.xml b/pom.xml
index fcd98ae..93864f6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,7 +71,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.11.1</version>
+            <version>1.4.18</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/commons-codec/commons-codec -->