diff --git a/CUL.JSON.Net.Tests/packages.config b/CUL.JSON.Net.Tests/packages.config
index dcbc75c31..9729ada66 100644
--- a/CUL.JSON.Net.Tests/packages.config
+++ b/CUL.JSON.Net.Tests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="xunit" version="2.1.0" targetFramework="net45" />
   <package id="xunit.abstractions" version="2.0.0" targetFramework="net45" />
   <package id="xunit.assert" version="2.1.0" targetFramework="net45" />