diff --git a/src/dotnet/AzureOpenAI/AzureOpenAI.csproj b/src/dotnet/AzureOpenAI/AzureOpenAI.csproj
index 010e1b5e7..180ea8d4f 100644
--- a/src/dotnet/AzureOpenAI/AzureOpenAI.csproj
+++ b/src/dotnet/AzureOpenAI/AzureOpenAI.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.AI.OpenAI" Version="2.1.0" />
+    <PackageReference Include="Azure.AI.OpenAI" Version="2.1.0-beta.2" />
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.9.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.9.0" />
     <PackageReference Include="System.Text.Json" Version="8.0.5" />
diff --git a/src/dotnet/Core/Core.csproj b/src/dotnet/Core/Core.csproj
index 289221640..798a02346 100644
--- a/src/dotnet/Core/Core.csproj
+++ b/src/dotnet/Core/Core.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
   
 	<ItemGroup>
-		<PackageReference Include="Azure.AI.OpenAI" Version="2.1.0" />
+		<PackageReference Include="Azure.AI.OpenAI" Version="2.1.0-beta.2" />
 		<PackageReference Include="Azure.Search.Documents" Version="11.5.1" />
 		<PackageReference Include="Azure.Storage.Blobs" Version="12.19.1" />
 		<PackageReference Include="Microsoft.Azure.Cosmos" Version="3.39.0" />
diff --git a/src/dotnet/CoreWorker/CoreWorker.csproj b/src/dotnet/CoreWorker/CoreWorker.csproj
index d917e07d7..78a9a2f70 100644
--- a/src/dotnet/CoreWorker/CoreWorker.csproj
+++ b/src/dotnet/CoreWorker/CoreWorker.csproj
@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.AI.OpenAI" Version="2.1.0" />
+    <PackageReference Include="Azure.AI.OpenAI" Version="2.1.0-beta.2" />
     <PackageReference Include="Azure.Identity" Version="1.12.0" />
     <PackageReference Include="Microsoft.ApplicationInsights.WorkerService" Version="2.22.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.AzureAppConfiguration" Version="7.1.0" />
diff --git a/src/dotnet/Gateway/Gateway.csproj b/src/dotnet/Gateway/Gateway.csproj
index 3f69b7287..ec36fe9ca 100644
--- a/src/dotnet/Gateway/Gateway.csproj
+++ b/src/dotnet/Gateway/Gateway.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.AI.OpenAI" Version="2.1.0" />
+    <PackageReference Include="Azure.AI.OpenAI" Version="2.1.0-beta.2" />
     <PackageReference Include="System.Text.Json" Version="8.0.5" />
   </ItemGroup>