diff --git a/mimic/pom.xml b/mimic/pom.xml
index 961aa9a..d429404 100644
--- a/mimic/pom.xml
+++ b/mimic/pom.xml
@@ -99,7 +99,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.4.8</version>
+			<version>1.4.18</version>
 		</dependency>
 	</dependencies>
 </project>