diff --git a/src/TmApi.Test/packages.config b/src/TmApi.Test/packages.config
index 8548c65..6dd6e51 100644
--- a/src/TmApi.Test/packages.config
+++ b/src/TmApi.Test/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="JsonSubTypes" version="1.2.0" targetFramework="net45" developmentDependency="true" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net45" developmentDependency="true" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net45" developmentDependency="true" />
   <package id="NUnit" version="3.12.0" targetFramework="net45" />
   <package id="NUnit3TestAdapter" version="3.15.1" targetFramework="net45" />
   <package id="RestSharp" version="105.1.0" targetFramework="net45" developmentDependency="true" />