diff --git a/pom.xml b/pom.xml
index b454cca..e5bd9be 100644
--- a/pom.xml
+++ b/pom.xml
@@ -174,7 +174,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.4.9</version>
+			<version>1.4.18</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.dom4j/dom4j -->
 		<dependency>