diff --git a/src/UXR.Studies.Api/packages.config b/src/UXR.Studies.Api/packages.config
index cf01d33..f75a302 100644
--- a/src/UXR.Studies.Api/packages.config
+++ b/src/UXR.Studies.Api/packages.config
@@ -7,7 +7,7 @@
   <package id="Microsoft.AspNet.WebApi.Client" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net452" />
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.3" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="UXI.Common.WebApi" version="2.0.0" targetFramework="net452" />
   <package id="UXI.CQRS" version="2.0.0" targetFramework="net452" />
   <package id="UXI.CQRS.EntityFramework" version="2.0.0" targetFramework="net452" />