diff --git a/SPM/packages.config b/SPM/packages.config
index f1cc31e9..d82198b1 100644
--- a/SPM/packages.config
+++ b/SPM/packages.config
@@ -83,7 +83,7 @@
   <package id="Modernizr" version="2.8.3" targetFramework="net452" />
   <package id="MvcCheckBoxList" version="1.4.5" targetFramework="net452" />
   <package id="NETStandard.Library" version="2.0.3" targetFramework="net472" />
-  <package id="Newtonsoft.Json" version="12.0.1" targetFramework="net472" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="PDFsharp-MigraDoc-gdi" version="1.50.5147" targetFramework="net472" />
   <package id="popper.js" version="1.14.0" targetFramework="net472" />