diff --git a/Pyro.Test/packages.config b/Pyro.Test/packages.config
index 986c1a7b..1f4d2f9a 100644
--- a/Pyro.Test/packages.config
+++ b/Pyro.Test/packages.config
@@ -10,7 +10,7 @@
   <package id="Microsoft.Owin.Host.HttpListener" version="4.0.0" targetFramework="net46" />
   <package id="Microsoft.Owin.Hosting" version="4.0.0" targetFramework="net46" />
   <package id="Moq" version="4.9.0" targetFramework="net46" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net46" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net46" />
   <package id="Npgsql" version="4.0.2" targetFramework="net46" />
   <package id="NUnit" version="3.10.1" targetFramework="net46" />
   <package id="NUnit3TestAdapter" version="3.10.0" targetFramework="net46" />