diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index f4c32c0..ea40cd1
--- a/pom.xml
+++ b/pom.xml
@@ -145,7 +145,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.4.9</version>
+			<version>1.4.19</version>
 		</dependency>
 		<dependency>
 			<groupId>net.sf.json-lib</groupId>