diff --git a/WebApiTest_Ioc/Web.Api.Tests/packages.config b/WebApiTest_Ioc/Web.Api.Tests/packages.config
index cbc0d42..2a43b30 100644
--- a/WebApiTest_Ioc/Web.Api.Tests/packages.config
+++ b/WebApiTest_Ioc/Web.Api.Tests/packages.config
@@ -2,6 +2,6 @@
 <packages>
   <package id="Moq" version="4.2.1502.0911" targetFramework="net45" />
   <package id="NBuilder" version="3.0.1.1" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="6.0.8" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="NUnit" version="2.6.4" targetFramework="net45" />
 </packages>
\ No newline at end of file