diff --git a/dotnet/Directory.Packages.props b/dotnet/Directory.Packages.props
index 87ba2e1f7a8d..73f889589f5c 100644
--- a/dotnet/Directory.Packages.props
+++ b/dotnet/Directory.Packages.props
@@ -5,7 +5,7 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Azure.AI.OpenAI" Version="1.0.0-beta.5" />
+    <PackageVersion Include="Azure.AI.OpenAI" Version="1.0.0-beta.6" />
     <PackageVersion Include="Azure.Identity" Version="1.9.0" />
     <PackageVersion Include="Azure.Search.Documents" Version="11.5.0-beta.3" />
     <PackageVersion Include="Microsoft.ApplicationInsights.WorkerService" Version="2.21.0" />
diff --git a/dotnet/src/Connectors/Connectors.AI.OpenAI/AzureSdk/ClientBase.cs b/dotnet/src/Connectors/Connectors.AI.OpenAI/AzureSdk/ClientBase.cs
index 8e7bf450d1ed..b9545640210a 100644
--- a/dotnet/src/Connectors/Connectors.AI.OpenAI/AzureSdk/ClientBase.cs
+++ b/dotnet/src/Connectors/Connectors.AI.OpenAI/AzureSdk/ClientBase.cs
@@ -318,7 +318,7 @@ private static ChatCompletionsOptions CreateChatCompletionsOptions(ChatRequestSe
             NucleusSamplingFactor = (float?)requestSettings.TopP,
             FrequencyPenalty = (float?)requestSettings.FrequencyPenalty,
             PresencePenalty = (float?)requestSettings.PresencePenalty,
-            ChoicesPerPrompt = requestSettings.ResultsPerPrompt
+            ChoiceCount = requestSettings.ResultsPerPrompt
         };
 
         foreach (var keyValue in requestSettings.TokenSelectionBiases)
diff --git a/dotnet/src/SemanticKernel.Abstractions/AI/ChatCompletion/AuthorRole.cs b/dotnet/src/SemanticKernel.Abstractions/AI/ChatCompletion/AuthorRole.cs
index 75e7a28cb1b3..af25d35fe857 100644
--- a/dotnet/src/SemanticKernel.Abstractions/AI/ChatCompletion/AuthorRole.cs
+++ b/dotnet/src/SemanticKernel.Abstractions/AI/ChatCompletion/AuthorRole.cs
@@ -14,15 +14,15 @@ namespace Microsoft.SemanticKernel.AI.ChatCompletion;
     /// <summary>
     /// The role that instructs or sets the behavior of the assistant.
     /// </summary>
-    public static readonly AuthorRole System = new("System");
+    public static readonly AuthorRole System = new("system");
     /// <summary>
     /// The role that provides responses to system-instructed, user-prompted input.
     /// </summary>
-    public static readonly AuthorRole Assistant = new("Assistant");
+    public static readonly AuthorRole Assistant = new("assistant");
     /// <summary>
     /// The role that provides input for chat completions.
     /// </summary>
-    public static readonly AuthorRole User = new("User");
+    public static readonly AuthorRole User = new("user");
 
     /// <summary>
     /// Gets the label associated with this AuthorRole.