diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index a0d3e6e..a478ad0
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,7 @@
         <dependency>
             <groupId>org.codehaus.jettison</groupId>
             <artifactId>jettison</artifactId>
-            <version>1.2</version>
+            <version>1.5.4</version>
         </dependency>
 
         <dependency>