diff --git a/SharpMap.WinThin/packages.config b/SharpMap.WinThin/packages.config
index 34606fd..3c19b98 100644
--- a/SharpMap.WinThin/packages.config
+++ b/SharpMap.WinThin/packages.config
@@ -5,7 +5,7 @@
   <package id="GeoAPI" version="1.7.2" targetFramework="net452" />
   <package id="NetTopologySuite" version="1.13.2" targetFramework="net452" />
   <package id="NetTopologySuite.IO" version="1.13.2" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="4.5.11" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="ProjNET4GeoAPI" version="1.3.0.3" targetFramework="net452" />
   <package id="Ptv.XServer.Net" version="1.7.10" targetFramework="net452" />
   <package id="SharpMap" version="1.1.0" targetFramework="net452" />