diff --git a/Umbraco.RelationEditor.Tests/packages.config b/Umbraco.RelationEditor.Tests/packages.config
index adcdf78..51f60a4 100644
--- a/Umbraco.RelationEditor.Tests/packages.config
+++ b/Umbraco.RelationEditor.Tests/packages.config
@@ -28,7 +28,7 @@
   <package id="MiniProfiler" version="2.1.0" targetFramework="net45" />
   <package id="Moq" version="4.5.10" targetFramework="net45" />
   <package id="MySql.Data" version="6.9.8" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="6.0.8" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="NUnit" version="2.6.3" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="semver" version="1.1.2" targetFramework="net45" />