diff --git a/JWT.Tests/packages.config b/JWT.Tests/packages.config
index 3491be9..78b33a5 100644
--- a/JWT.Tests/packages.config
+++ b/JWT.Tests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="FluentAssertions" version="4.14.0" targetFramework="net451" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net451" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net451" />
   <package id="ServiceStack.Text" version="4.5.0" targetFramework="net451" />
 </packages>
\ No newline at end of file