diff --git a/20180929.dotNetConf/MQRPCDEMO/MQRPC.Client/packages.config b/20180929.dotNetConf/MQRPCDEMO/MQRPC.Client/packages.config
index 5b69be4..4fe6aa0 100644
--- a/20180929.dotNetConf/MQRPCDEMO/MQRPC.Client/packages.config
+++ b/20180929.dotNetConf/MQRPCDEMO/MQRPC.Client/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.Diagnostics.Tracing.EventSource.Redist" version="1.1.28" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
   <package id="NLog" version="2.1.0" targetFramework="net461" />
   <package id="RabbitMQ.Client" version="5.1.0" targetFramework="net461" />
 </packages>
\ No newline at end of file
diff --git a/20180929.dotNetConf/MQRPCDEMO/MQRPC.Core/MQRPC.Core.csproj b/20180929.dotNetConf/MQRPCDEMO/MQRPC.Core/MQRPC.Core.csproj
index 5c48dc4..b5f5b75 100644
--- a/20180929.dotNetConf/MQRPCDEMO/MQRPC.Core/MQRPC.Core.csproj
+++ b/20180929.dotNetConf/MQRPCDEMO/MQRPC.Core/MQRPC.Core.csproj
@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="NLog" Version="2.1.0" />
     <PackageReference Include="RabbitMQ.Client" Version="5.1.0" />
   </ItemGroup>