diff --git a/Version4.0.1/MOE.Common/packages.config b/Version4.0.1/MOE.Common/packages.config
index e16709c..b34a422 100644
--- a/Version4.0.1/MOE.Common/packages.config
+++ b/Version4.0.1/MOE.Common/packages.config
@@ -51,7 +51,7 @@
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="Microsoft.Web.Xdt" version="2.1.1" targetFramework="net452" />
   <package id="MvcCheckBoxList" version="1.4.5" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="6.0.4" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="NuGet.Core" version="2.12.0" targetFramework="net452" />
   <package id="Owin" version="1.0" targetFramework="net452" />
   <package id="Remotion.Linq" version="2.1.1" targetFramework="net452" />