diff --git a/Line_Login_MVC/packages.config b/Line_Login_MVC/packages.config
index 60b000a..18b908d 100644
--- a/Line_Login_MVC/packages.config
+++ b/Line_Login_MVC/packages.config
@@ -12,6 +12,6 @@
   <package id="Microsoft.IdentityModel.Tokens" version="5.5.0" targetFramework="net462" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net462" />
   <package id="Modernizr" version="2.6.2" targetFramework="net462" />
-  <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net462" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net462" />
   <package id="System.IdentityModel.Tokens.Jwt" version="5.5.0" targetFramework="net462" />
 </packages>
\ No newline at end of file