diff --git a/AdminApi/test/AdminApi.Tests.Integration/AdminApi.Tests.Integration.csproj b/AdminApi/test/AdminApi.Tests.Integration/AdminApi.Tests.Integration.csproj
index 377c0dccb8..7893f6f3ef 100644
--- a/AdminApi/test/AdminApi.Tests.Integration/AdminApi.Tests.Integration.csproj
+++ b/AdminApi/test/AdminApi.Tests.Integration/AdminApi.Tests.Integration.csproj
@@ -5,13 +5,14 @@
   </PropertyGroup>
 
   <ItemGroup>
-      <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.3"/>
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.3" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="Newtonsoft.Json.Schema" Version="3.0.15" />
+    <PackageReference Include="NJsonSchema.NewtonsoftJson" Version="11.0.0" />
     <PackageReference Include="ReHackt.Extensions.Options.Validation" Version="8.0.2" />
     <PackageReference Include="SolidToken.SpecFlow.DependencyInjection" Version="3.9.3" />
     <PackageReference Include="SpecFlow.Plus.LivingDocPlugin" Version="3.9.57" />
diff --git a/AdminApi/test/AdminApi.Tests.Integration/Models/ChangeClientSecretResponse.cs b/AdminApi/test/AdminApi.Tests.Integration/Models/ChangeClientSecretResponse.cs
index e9ad74911e..6ad1825d25 100644
--- a/AdminApi/test/AdminApi.Tests.Integration/Models/ChangeClientSecretResponse.cs
+++ b/AdminApi/test/AdminApi.Tests.Integration/Models/ChangeClientSecretResponse.cs
@@ -1,9 +1,11 @@
 namespace Backbone.AdminApi.Tests.Integration.Models;
+
 public class ChangeClientSecretResponse
 {
     public required string ClientId { get; set; }
     public required string DisplayName { get; set; }
     public required string ClientSecret { get; set; }
+    public required string DefaultTier { get; set; }
     public required DateTime CreatedAt { get; set; }
     public int? MaxIdentities { get; set; }
 }
diff --git a/AdminApi/test/AdminApi.Tests.Integration/Support/JsonValidators.cs b/AdminApi/test/AdminApi.Tests.Integration/Support/JsonValidators.cs
index ba4137df39..996ea8a26c 100644
--- a/AdminApi/test/AdminApi.Tests.Integration/Support/JsonValidators.cs
+++ b/AdminApi/test/AdminApi.Tests.Integration/Support/JsonValidators.cs
@@ -1,7 +1,9 @@
+using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using Newtonsoft.Json.Schema;
-using Newtonsoft.Json.Schema.Generation;
 using Newtonsoft.Json.Serialization;
+using NJsonSchema.NewtonsoftJson.Generation;
+using JsonSchemaGenerator = NJsonSchema.Generation.JsonSchemaGenerator;
 
 namespace Backbone.AdminApi.Tests.Integration.Support;
 
@@ -17,14 +19,28 @@ public static bool ValidateJsonSchema<T>(string json, out IList<string> errors)
             return parsedJson.IsValid(schema, out errors);
         }
 
-        var generator = new JSchemaGenerator
+        var settings = new NewtonsoftJsonSchemaGeneratorSettings
         {
-            ContractResolver = new CamelCasePropertyNamesContractResolver()
+            SerializerSettings = new JsonSerializerSettings
+            {
+                ContractResolver = new CamelCasePropertyNamesContractResolver()
+            }
         };
+
+        var generator = new JsonSchemaGenerator(settings);
+
         var schemaJson = generator.Generate(typeof(T));
-        schema = JSchema.Parse(schemaJson.ToString());
+
+        var generatedSchema = schemaJson.ToJson();
+
+        schema = JSchema.Parse(generatedSchema);
+
+        schema.AllowAdditionalProperties = true;
+
         CACHED_SCHEMAS.Add(typeof(T), schema);
+
         var responseJson = JObject.Parse(json);
+
         return responseJson.IsValid(schema, out errors);
     }
 }
diff --git a/ConsumerApi.Tests.Integration/ConsumerApi.Tests.Integration.csproj b/ConsumerApi.Tests.Integration/ConsumerApi.Tests.Integration.csproj
index 66336fca88..859036c8f5 100644
--- a/ConsumerApi.Tests.Integration/ConsumerApi.Tests.Integration.csproj
+++ b/ConsumerApi.Tests.Integration/ConsumerApi.Tests.Integration.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-      <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.3"/>
+      <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.3" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.1" />
@@ -13,6 +13,7 @@
     <PackageReference Include="Microsoft.AspNet.WebApi.Client" Version="6.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="Newtonsoft.Json.Schema" Version="3.0.15" />
+    <PackageReference Include="NJsonSchema.NewtonsoftJson" Version="11.0.0" />
     <PackageReference Include="ReHackt.Extensions.Options.Validation" Version="8.0.2" />
     <PackageReference Include="SolidToken.SpecFlow.DependencyInjection" Version="3.9.3" />
     <PackageReference Include="SpecFlow.Plus.LivingDocPlugin" Version="3.9.57" />
diff --git a/ConsumerApi.Tests.Integration/Support/JsonValidators.cs b/ConsumerApi.Tests.Integration/Support/JsonValidators.cs
index fc5858a5e9..31c03b152e 100644
--- a/ConsumerApi.Tests.Integration/Support/JsonValidators.cs
+++ b/ConsumerApi.Tests.Integration/Support/JsonValidators.cs
@@ -1,7 +1,9 @@
+using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using Newtonsoft.Json.Schema;
-using Newtonsoft.Json.Schema.Generation;
 using Newtonsoft.Json.Serialization;
+using NJsonSchema.NewtonsoftJson.Generation;
+using JsonSchemaGenerator = NJsonSchema.Generation.JsonSchemaGenerator;
 
 namespace Backbone.ConsumerApi.Tests.Integration.Support;
 
@@ -17,14 +19,28 @@ public static bool ValidateJsonSchema<T>(string json, out IList<string> errors)
             return parsedJson.IsValid(schema, out errors);
         }
 
-        var generator = new JSchemaGenerator
+        var settings = new NewtonsoftJsonSchemaGeneratorSettings
         {
-            ContractResolver = new CamelCasePropertyNamesContractResolver()
+            SerializerSettings = new JsonSerializerSettings
+            {
+                ContractResolver = new CamelCasePropertyNamesContractResolver()
+            }
         };
+
+        var generator = new JsonSchemaGenerator(settings);
+
         var schemaJson = generator.Generate(typeof(T));
-        schema = JSchema.Parse(schemaJson.ToString());
+
+        var generatedSchema = schemaJson.ToJson();
+
+        schema = JSchema.Parse(generatedSchema);
+
+        schema.AllowAdditionalProperties = true;
+
         CACHED_SCHEMAS.Add(typeof(T), schema);
+
         var responseJson = JObject.Parse(json);
+
         return responseJson.IsValid(schema, out errors);
     }
 }