diff --git a/pom.xml b/pom.xml
index ab3ff8e1b3..aa33d31971 100644
--- a/pom.xml
+++ b/pom.xml
@@ -398,7 +398,7 @@
 						<dependency>
 							<groupId>com.thoughtworks.xstream</groupId>
 							<artifactId>xstream</artifactId>
-							<version>1.4.15</version>
+							<version>1.4.20</version>
 						</dependency>
 					</dependencies>
 				</plugin>