diff --git a/source/Tests/UnitTests/packages.config b/source/Tests/UnitTests/packages.config
index d1ddee664..b3d49d95c 100644
--- a/source/Tests/UnitTests/packages.config
+++ b/source/Tests/UnitTests/packages.config
@@ -13,7 +13,7 @@
   <package id="Microsoft.Owin.Security.Google" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Testing" version="3.0.1" targetFramework="net45" />
   <package id="Moq" version="4.2.1507.0118" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="6.0.8" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="System.IdentityModel.Tokens.Jwt" version="4.0.2.206221351" targetFramework="net45" />
   <package id="xunit" version="2.0.0" targetFramework="net45" />