diff --git a/Pitest-1.5.2/pitest-entry/pom.xml b/Pitest-1.5.2/pitest-entry/pom.xml
old mode 100755
new mode 100644
index 056fcc0..08ce0f2
--- a/Pitest-1.5.2/pitest-entry/pom.xml
+++ b/Pitest-1.5.2/pitest-entry/pom.xml
@@ -138,7 +138,7 @@
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>
 			<artifactId>xstream</artifactId>
-			<version>1.4.8</version>
+			<version>1.4.18</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>