diff --git a/DPER-App/App4/DPER-App.csproj b/DPER-App/App4/DPER-App.csproj
index 84258c0..f1f49f9 100644
--- a/DPER-App/App4/DPER-App.csproj
+++ b/DPER-App/App4/DPER-App.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Xamarin.Forms" Version="4.4.0.991265" />  
     <PackageReference Include="Xamarin.Essentials" Version="1.3.1" />
   </ItemGroup>