diff --git a/src/Simple.Web.JsonNet.Tests/packages.config b/src/Simple.Web.JsonNet.Tests/packages.config
index 2e4316d..fc12d15 100644
--- a/src/Simple.Web.JsonNet.Tests/packages.config
+++ b/src/Simple.Web.JsonNet.Tests/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="5.0.6" targetFramework="net40" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net40" />
   <package id="xunit" version="1.9.2" targetFramework="net40" />
 </packages>
\ No newline at end of file