diff --git a/InMemoryDataService/packages.config b/InMemoryDataService/packages.config
index d74068b..f4cdb7f 100644
--- a/InMemoryDataService/packages.config
+++ b/InMemoryDataService/packages.config
@@ -7,6 +7,6 @@
   <package id="Microsoft.Owin.Host.HttpListener" version="4.0.0" targetFramework="net471" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.0" targetFramework="net471" />
   <package id="Microsoft.Owin.Hosting" version="4.0.0" targetFramework="net471" />
-  <package id="Newtonsoft.Json" version="6.0.4" targetFramework="net471" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net471" />
   <package id="Owin" version="1.0" targetFramework="net471" />
 </packages>
\ No newline at end of file