diff --git a/BloombergTrader.Client.Tests/packages.config b/BloombergTrader.Client.Tests/packages.config
index 8035865..4447ede 100644
--- a/BloombergTrader.Client.Tests/packages.config
+++ b/BloombergTrader.Client.Tests/packages.config
@@ -3,7 +3,7 @@
   <package id="HtmlAgilityPack" version="1.4.9.5" targetFramework="net452" />
   <package id="Microsoft.NETCore.Platforms" version="1.0.1" targetFramework="net452" />
   <package id="NETStandard.Library" version="1.6.0" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="refit" version="3.0.1" targetFramework="net452" />
   <package id="System.Collections" version="4.0.11" targetFramework="net452" />
   <package id="System.Collections.Concurrent" version="4.0.12" targetFramework="net452" />