diff --git a/pom.xml b/pom.xml
index 6380abe..acc19f7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -95,7 +95,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.12</version>
+            <version>1.4.18</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpmime -->
         <dependency>