diff --git a/Samples/TwitterClient/TwitterWpfClient/packages.config b/Samples/TwitterClient/TwitterWpfClient/packages.config
index 7daa365..bd097ab 100644
--- a/Samples/TwitterClient/TwitterWpfClient/packages.config
+++ b/Samples/TwitterClient/TwitterWpfClient/packages.config
@@ -5,7 +5,7 @@
   <package id="Microsoft.WindowsAzure.ConfigurationManager" version="1.7.0.0" targetFramework="net452" />
   <package id="MvvmLight" version="5.3.0.0" targetFramework="net452" />
   <package id="MvvmLightLibs" version="5.3.0.0" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="Rx-Core" version="2.2.5" targetFramework="net452" />
   <package id="Rx-Interfaces" version="2.2.5" targetFramework="net452" />
   <package id="Rx-Linq" version="2.2.5" targetFramework="net452" />