diff --git a/monolithic/pom.xml b/monolithic/pom.xml
index b09e901..4b91e74 100644
--- a/monolithic/pom.xml
+++ b/monolithic/pom.xml
@@ -98,7 +98,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.4.9</version>
+			<version>1.4.19</version>
 		</dependency>
 		<dependency>
 			<groupId>io.springfox</groupId>