diff --git a/test-utils/pom.xml b/test-utils/pom.xml
old mode 100755
new mode 100644
index a87d88a..b0181d2
--- a/test-utils/pom.xml
+++ b/test-utils/pom.xml
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>com.thoughtworks.xstream</groupId>
       <artifactId>xstream</artifactId>
-      <version>1.4.8</version>
+      <version>1.4.16</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>