diff --git a/Tests/Codaxy.Dextop.Tests/packages.config b/Tests/Codaxy.Dextop.Tests/packages.config
index 1f3a760..816b021 100644
--- a/Tests/Codaxy.Dextop.Tests/packages.config
+++ b/Tests/Codaxy.Dextop.Tests/packages.config
@@ -2,6 +2,6 @@
 <packages>
   <package id="Autofac" version="4.6.1" targetFramework="net45" />
   <package id="Codaxy.Common" version="1.0.0" targetFramework="net40" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net45" />
   <package id="PetaTest" version="0.1.1" />
 </packages>
\ No newline at end of file