diff --git a/src/IdentityServer/NetFX/IdentityServer/packages.config b/src/IdentityServer/NetFX/IdentityServer/packages.config
index f8e1b73..c151e47 100644
--- a/src/IdentityServer/NetFX/IdentityServer/packages.config
+++ b/src/IdentityServer/NetFX/IdentityServer/packages.config
@@ -16,7 +16,7 @@
   <package id="Microsoft.Owin.Host.SystemWeb" 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="6.0.4" 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="Serilog" version="1.5.14" targetFramework="net46" />