diff --git a/vraptor-core/pom.xml b/vraptor-core/pom.xml
old mode 100755
new mode 100644
index 9a01ba93c..852a0b4dd
--- a/vraptor-core/pom.xml
+++ b/vraptor-core/pom.xml
@@ -61,7 +61,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.4.7</version>
+			<version>1.4.18</version>
 		</dependency>
 		<dependency>
 			<groupId>ognl</groupId>