diff --git a/Excel_Viewer/packages.config b/Excel_Viewer/packages.config
index 23cbfbc..0286810 100644
--- a/Excel_Viewer/packages.config
+++ b/Excel_Viewer/packages.config
@@ -13,6 +13,6 @@
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.11" targetFramework="net472" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net472" />
   <package id="Modernizr" version="2.8.3" targetFramework="net472" />
-  <package id="Newtonsoft.Json" version="11.0.1" targetFramework="net472" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net472" />
   <package id="WebGrease" version="1.6.0" targetFramework="net472" />
 </packages>
\ No newline at end of file