diff --git a/samples/wpf/ThinkGeoCloudReverseGeocodingSample/packages.config b/samples/wpf/ThinkGeoCloudReverseGeocodingSample/packages.config
index 676559f..b74fd7a 100644
--- a/samples/wpf/ThinkGeoCloudReverseGeocodingSample/packages.config
+++ b/samples/wpf/ThinkGeoCloudReverseGeocodingSample/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="JsonSubTypes" version="1.5.1" targetFramework="net46" requireReinstallation="true" />
   <package id="Microsoft.Data.Sqlite.Core" version="3.1.0" targetFramework="net47" />
-  <package id="Newtonsoft.Json" version="12.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="SQLitePCLRaw.bundle_e_sqlite3" version="2.0.2" targetFramework="net47" />
   <package id="SQLitePCLRaw.core" version="2.0.2" targetFramework="net47" />
   <package id="SQLitePCLRaw.lib.e_sqlite3" version="2.0.2" targetFramework="net47" />