diff --git a/PerformanceTest/packages.config b/PerformanceTest/packages.config
index 2973c9f..67e321e 100644
--- a/PerformanceTest/packages.config
+++ b/PerformanceTest/packages.config
@@ -2,6 +2,6 @@
 <packages>
   <package id="fastJSON" version="2.0.27.1" targetFramework="net40" />
   <package id="LibLog" version="4.2.5" targetFramework="net45" developmentDependency="true" />
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="ServiceStack.Text" version="3.9.62" targetFramework="net40" />
 </packages>
\ No newline at end of file