diff --git a/dotnet/Fluentax.Apis.ExchangeRates.Samples/Fluentax.Apis.ExchangeRates.Samples.csproj b/dotnet/Fluentax.Apis.ExchangeRates.Samples/Fluentax.Apis.ExchangeRates.Samples.csproj
index 42146af..9e56443 100644
--- a/dotnet/Fluentax.Apis.ExchangeRates.Samples/Fluentax.Apis.ExchangeRates.Samples.csproj
+++ b/dotnet/Fluentax.Apis.ExchangeRates.Samples/Fluentax.Apis.ExchangeRates.Samples.csproj
@@ -2,15 +2,15 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
 	<ImplicitUsings>enable</ImplicitUsings>
 	<Nullable>disable</Nullable>
     <UserSecretsId>be67fb9c-fa2a-411d-b951-42cd6e9c35fd</UserSecretsId>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="7.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="8.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/dotnet/Fluentax.Apis.ExchangeRates.Samples/Program.cs b/dotnet/Fluentax.Apis.ExchangeRates.Samples/Program.cs
index 64e5b82..4cd87b7 100644
--- a/dotnet/Fluentax.Apis.ExchangeRates.Samples/Program.cs
+++ b/dotnet/Fluentax.Apis.ExchangeRates.Samples/Program.cs
@@ -1,5 +1,6 @@
 using System.Net.Http.Headers;
 using System.Net.Http.Json;
+using System.Text.Json.Serialization;
 using Microsoft.Extensions.Configuration;
 
 var builder = new ConfigurationBuilder()
@@ -23,7 +24,7 @@
     using var response = await tokenClient.PostAsync(config["Auth:TokenEndpoint"], tokenRequestContent);
 
     var tokenResponse = await response.Content.ReadFromJsonAsync<TokenResponse>();
-    token = tokenResponse.access_token;
+    token = tokenResponse.AccessToken;
 }
 
 using var apiClient = new HttpClient
@@ -43,5 +44,6 @@
 
 record TokenResponse
 {
-    public string access_token { get; set; }
+    [JsonPropertyName("access_token")]
+    public string AccessToken { get; set; }
 }