diff --git a/docear_metadata/pom.xml b/docear_metadata/pom.xml
index 4fefe242e..28a60a43e 100644
--- a/docear_metadata/pom.xml
+++ b/docear_metadata/pom.xml
@@ -13,7 +13,7 @@
   	<dependency>
   		<groupId>com.thoughtworks.xstream</groupId>
   		<artifactId>xstream</artifactId>
-  		<version>1.4.5</version>
+  		<version>1.4.15</version>
   	</dependency>
   	<dependency>
   		<groupId>org.slf4j</groupId>