diff --git a/MockingDownstreamServicesWithMountebank/MockingDownstreamServices.Tests/packages.config b/MockingDownstreamServicesWithMountebank/MockingDownstreamServices.Tests/packages.config
index 19a5916..a20c3a4 100644
--- a/MockingDownstreamServicesWithMountebank/MockingDownstreamServices.Tests/packages.config
+++ b/MockingDownstreamServicesWithMountebank/MockingDownstreamServices.Tests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="8.0.2" targetFramework="net46" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net46" />
   <package id="NUnit" version="3.0.1" targetFramework="net46" />
   <package id="SlowCheetah" version="2.5.15" targetFramework="net46" />
 </packages>
\ No newline at end of file