diff --git a/src/AzureFunctionExample.Services.Calc.Api/AzureFunctionExample.Services.Calc.Api.csproj b/src/AzureFunctionExample.Services.Calc.Api/AzureFunctionExample.Services.Calc.Api.csproj
index 671d9c8..cb6148d 100644
--- a/src/AzureFunctionExample.Services.Calc.Api/AzureFunctionExample.Services.Calc.Api.csproj
+++ b/src/AzureFunctionExample.Services.Calc.Api/AzureFunctionExample.Services.Calc.Api.csproj
@@ -9,7 +9,7 @@
     <PackageReference Include="Microsoft.Azure.Functions.Extensions" Version="1.0.0" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.ServiceBus" Version="3.2.0" />
     <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="1.0.29" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\AzureFunctionExample.Models\AzureFunctionExample.Models.csproj" />