diff --git a/src/Net4Api/packages.config b/src/Net4Api/packages.config
index b894d7d..fd04741 100644
--- a/src/Net4Api/packages.config
+++ b/src/Net4Api/packages.config
@@ -16,7 +16,7 @@
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security.Jwt" version="3.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security.OAuth" version="3.0.1" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="NLog" version="4.7.2" targetFramework="net452" />
   <package id="NLog.Extended" version="4.7.2" targetFramework="net452" />
   <package id="NLog.Owin.Logging" version="1.1.0" targetFramework="net452" />