diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 8360771..eb869d9
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
     <dependency>
       <groupId>com.thoughtworks.xstream</groupId>
       <artifactId>xstream</artifactId>
-      <version>1.4.10</version>
+      <version>1.4.15</version>
       <scope>test</scope>
     </dependency>
     <dependency>