diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index b578113..70bb490
--- a/pom.xml
+++ b/pom.xml
@@ -477,7 +477,7 @@
 			<dependency>
 				<groupId>com.thoughtworks.xstream</groupId>
 				<artifactId>xstream</artifactId>
-				<version>1.4.14</version>
+				<version>1.4.18</version>
 			</dependency>
 
 			<dependency>