diff --git a/Castle.Sharp2Js.Tests/packages.config b/Castle.Sharp2Js.Tests/packages.config
index 61b546d..8e22a3c 100644
--- a/Castle.Sharp2Js.Tests/packages.config
+++ b/Castle.Sharp2Js.Tests/packages.config
@@ -3,7 +3,7 @@
   <package id="coveralls.net" version="0.6.0" targetFramework="net45" />
   <package id="Jil" version="2.12.1" targetFramework="net45" />
   <package id="Jint" version="2.6.0" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="NUnit" version="3.11.0" targetFramework="net45" />
   <package id="OpenCover" version="4.6.166" targetFramework="net45" />
   <package id="Sigil" version="4.5.0" targetFramework="net45" />