diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 872c4be..4a21cac
--- a/pom.xml
+++ b/pom.xml
@@ -319,7 +319,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.3.1</version>
+			<version>1.4.18</version>
 		</dependency>
 		<dependency>
 			<groupId>commons-io</groupId>