diff --git a/src/System.Web.Optimization/packages.config b/src/System.Web.Optimization/packages.config
index da2a224..0042551 100644
--- a/src/System.Web.Optimization/packages.config
+++ b/src/System.Web.Optimization/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Antlr" version="3.4.1.9004" targetFramework="net40" />
-  <package id="Newtonsoft.Json" version="5.0.8" targetFramework="net40" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net40" />
   <package id="WebGrease" version="1.5.2" targetFramework="net40" />
 </packages>
\ No newline at end of file