diff --git a/clonedetector/pom.xml b/clonedetector/pom.xml
index 3593539..641ea86 100644
--- a/clonedetector/pom.xml
+++ b/clonedetector/pom.xml
@@ -135,7 +135,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.4.8</version>
+			<version>1.4.19</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>