diff --git a/csharp-client/src/IO.Swagger.Test/packages.config b/csharp-client/src/IO.Swagger.Test/packages.config
index fdbb013..092656b 100644
--- a/csharp-client/src/IO.Swagger.Test/packages.config
+++ b/csharp-client/src/IO.Swagger.Test/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net45" developmentDependency="true" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" developmentDependency="true" />
   <package id="NUnit" version="2.6.4" targetFramework="net45" />
   <package id="RestSharp" version="105.1.0" targetFramework="net45" developmentDependency="true" />
 </packages>
\ No newline at end of file