diff --git a/src/SiftScienceNet/packages.config b/src/SiftScienceNet/packages.config
index c6c6607..88438f6 100644
--- a/src/SiftScienceNet/packages.config
+++ b/src/SiftScienceNet/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="NuGet.CommandLine" version="4.1.0" targetFramework="net45" developmentDependency="true" />
   <package id="System.Runtime.Serialization.Primitives" version="4.3.0" targetFramework="net45" />
 </packages>
\ No newline at end of file