diff --git a/SignalRGroupChat/packages.config b/SignalRGroupChat/packages.config
index 54a1d6c..c9a1e0e 100644
--- a/SignalRGroupChat/packages.config
+++ b/SignalRGroupChat/packages.config
@@ -31,7 +31,7 @@
   <package id="Microsoft.Owin.zh-Hans" version="4.0.0" targetFramework="net45" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />
   <package id="Modernizr" version="2.8.3" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="11.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="WebGrease" version="1.6.0" targetFramework="net45" />
 </packages>
\ No newline at end of file