diff --git a/Chapter6/Backend/packages.config b/Chapter6/Backend/packages.config
index eb0ac066..c630ebb8 100644
--- a/Chapter6/Backend/packages.config
+++ b/Chapter6/Backend/packages.config
@@ -1,11 +1,11 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Antlr" version="3.5.0.2" targetFramework="net452" />
   <package id="AutoMapper" version="4.2.1" targetFramework="net452" />
   <package id="bootstrap" version="3.3.7" targetFramework="net452" />
   <package id="EntityFramework" version="6.1.3" targetFramework="net452" />
   <package id="jQuery" version="3.1.1" targetFramework="net452" />
-  <package id="jQuery.Validation" version="1.16.0" targetFramework="net452" />
+  <package id="jQuery.Validation" version="1.19.4" targetFramework="net452" />
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.Web.Optimization" version="1.1.3" targetFramework="net452" />