diff --git a/Source/packages.config b/Source/packages.config
index 145ffe2..ad47aa1 100644
--- a/Source/packages.config
+++ b/Source/packages.config
@@ -27,7 +27,7 @@
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net48" />
   <package id="MimeKit" version="2.1.4" targetFramework="net48" />
   <package id="Modernizr" version="2.6.2" targetFramework="net48" />
-  <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net48" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net48" />
   <package id="NodaTime" version="2.0.2" targetFramework="net48" />
   <package id="Owin" version="1.0" targetFramework="net48" />
   <package id="Respond" version="1.2.0" targetFramework="net48" />