diff --git a/src/IdentityServer/NetFX/IdentityClient/packages.config b/src/IdentityServer/NetFX/IdentityClient/packages.config
index d5a53fc..2af3167 100644
--- a/src/IdentityServer/NetFX/IdentityClient/packages.config
+++ b/src/IdentityServer/NetFX/IdentityClient/packages.config
@@ -19,7 +19,7 @@
   <package id="Microsoft.Owin.Security.OpenIdConnect" version="3.0.1" targetFramework="net46" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net46" />
   <package id="Modernizr" version="2.6.2" targetFramework="net46" />
-  <package id="Newtonsoft.Json" version="6.0.5" targetFramework="net46" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net46" />
   <package id="Owin" version="1.0" targetFramework="net46" />
   <package id="Respond" version="1.2.0" targetFramework="net46" />
   <package id="System.IdentityModel.Tokens.Jwt" version="4.0.0" targetFramework="net46" />