diff --git a/Source/Core.EntityFramework.Tests/packages.config b/Source/Core.EntityFramework.Tests/packages.config
index f0a5e4bd..29c8e051 100644
--- a/Source/Core.EntityFramework.Tests/packages.config
+++ b/Source/Core.EntityFramework.Tests/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="EntityFramework" version="6.1.3" targetFramework="net45" />
   <package id="IdentityServer3" version="2.5.0-build00468" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="xunit" version="2.1.0" targetFramework="net45" />
   <package id="xunit.abstractions" version="2.0.0" targetFramework="net45" />