diff --git a/dotnet/Directory.Packages.props b/dotnet/Directory.Packages.props
index a07bde035b..a91ae973da 100644
--- a/dotnet/Directory.Packages.props
+++ b/dotnet/Directory.Packages.props
@@ -98,7 +98,7 @@
     <PackageVersion Include="Microsoft.SemanticKernel.Connectors.InMemory" Version="1.67.0-preview" />
     <PackageVersion Include="Microsoft.SemanticKernel.Connectors.Qdrant" Version="1.67.0-preview" />
     <!-- Agent SDKs -->
-    <PackageVersion Include="GitHub.Copilot.SDK" Version="0.1.29" />
+    <PackageVersion Include="GitHub.Copilot.SDK" Version="1.0.0-beta.2" />
     <PackageVersion Include="Microsoft.Agents.CopilotStudio.Client" Version="1.3.171-beta" />
     <!-- M365 Agents SDK -->
     <PackageVersion Include="AdaptiveCards" Version="3.1.0" />
diff --git a/dotnet/samples/02-agents/AgentProviders/Agent_With_GitHubCopilot/Program.cs b/dotnet/samples/02-agents/AgentProviders/Agent_With_GitHubCopilot/Program.cs
index b233259dcc..149cbbe029 100644
--- a/dotnet/samples/02-agents/AgentProviders/Agent_With_GitHubCopilot/Program.cs
+++ b/dotnet/samples/02-agents/AgentProviders/Agent_With_GitHubCopilot/Program.cs
@@ -12,7 +12,9 @@ static Task<PermissionRequestResult> PromptPermission(PermissionRequest request,
     Console.Write("Approve? (y/n): ");
 
     string? input = Console.ReadLine()?.Trim().ToUpperInvariant();
-    string kind = input is "Y" or "YES" ? "approved" : "denied-interactively-by-user";
+    PermissionRequestResultKind kind = input is "Y" or "YES"
+                                     ? PermissionRequestResultKind.Approved
+                                     : PermissionRequestResultKind.Rejected;
 
     return Task.FromResult(new PermissionRequestResult { Kind = kind });
 }
diff --git a/dotnet/src/Microsoft.Agents.AI.GitHub.Copilot/GitHubCopilotAgent.cs b/dotnet/src/Microsoft.Agents.AI.GitHub.Copilot/GitHubCopilotAgent.cs
index bbebd7a312..c8a4ffe028 100644
--- a/dotnet/src/Microsoft.Agents.AI.GitHub.Copilot/GitHubCopilotAgent.cs
+++ b/dotnet/src/Microsoft.Agents.AI.GitHub.Copilot/GitHubCopilotAgent.cs
@@ -210,7 +210,7 @@ protected override async IAsyncEnumerable<AgentResponseUpdate> RunCoreStreamingA
                 string prompt = string.Join("\n", messages.Select(m => m.Text));
 
                 // Handle DataContent as attachments
-                (List<UserMessageDataAttachmentsItem>? attachments, tempDir) = await ProcessDataContentAttachmentsAsync(
+                (List<UserMessageAttachmentFile>? attachments, tempDir) = await ProcessDataContentAttachmentsAsync(
                     messages,
                     cancellationToken).ConfigureAwait(false);
 
@@ -443,11 +443,11 @@ private AgentResponseUpdate ConvertToAgentResponseUpdate(SessionEvent sessionEve
         return new SessionConfig { Tools = mappedTools, SystemMessage = systemMessage };
     }
 
-    private static async Task<(List<UserMessageDataAttachmentsItem>? Attachments, string? TempDir)> ProcessDataContentAttachmentsAsync(
+    private static async Task<(List<UserMessageAttachmentFile>? Attachments, string? TempDir)> ProcessDataContentAttachmentsAsync(
         IEnumerable<ChatMessage> messages,
         CancellationToken cancellationToken)
     {
-        List<UserMessageDataAttachmentsItem>? attachments = null;
+        List<UserMessageAttachmentFile>? attachments = null;
         string? tempDir = null;
         foreach (ChatMessage message in messages)
         {
@@ -461,7 +461,7 @@ private AgentResponseUpdate ConvertToAgentResponseUpdate(SessionEvent sessionEve
                     string tempFilePath = await dataContent.SaveToAsync(tempDir, cancellationToken).ConfigureAwait(false);
 
                     attachments ??= [];
-                    attachments.Add(new UserMessageDataAttachmentsItemFile
+                    attachments.Add(new UserMessageAttachmentFile
                     {
                         Path = tempFilePath,
                         DisplayName = Path.GetFileName(tempFilePath)
diff --git a/dotnet/tests/Microsoft.Agents.AI.GitHub.Copilot.IntegrationTests/GitHubCopilotAgentTests.cs b/dotnet/tests/Microsoft.Agents.AI.GitHub.Copilot.IntegrationTests/GitHubCopilotAgentTests.cs
index 855e9b4037..f8b5210c89 100644
--- a/dotnet/tests/Microsoft.Agents.AI.GitHub.Copilot.IntegrationTests/GitHubCopilotAgentTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.GitHub.Copilot.IntegrationTests/GitHubCopilotAgentTests.cs
@@ -14,7 +14,7 @@ public class GitHubCopilotAgentTests
     private const string SkipReason = "Integration tests require GitHub Copilot CLI installed. For local execution only.";
 
     private static Task<PermissionRequestResult> OnPermissionRequestAsync(PermissionRequest request, PermissionInvocation invocation)
-        => Task.FromResult(new PermissionRequestResult { Kind = "approved" });
+        => Task.FromResult(new PermissionRequestResult { Kind = PermissionRequestResultKind.Approved });
 
     [Fact(Skip = SkipReason)]
     public async Task RunAsync_WithSimplePrompt_ReturnsResponseAsync()
@@ -201,11 +201,10 @@ public async Task RunAsync_WithLocalMcpServer_UsesServerToolsAsync()
         SessionConfig sessionConfig = new()
         {
             OnPermissionRequest = OnPermissionRequestAsync,
-            McpServers = new Dictionary<string, object>
+            McpServers = new Dictionary<string, McpServerConfig>
             {
-                ["filesystem"] = new McpLocalServerConfig
+                ["filesystem"] = new McpStdioServerConfig
                 {
-                    Type = "stdio",
                     Command = "npx",
                     Args = ["-y", "@modelcontextprotocol/server-filesystem", "."],
                     Tools = ["*"],
@@ -234,11 +233,10 @@ public async Task RunAsync_WithRemoteMcpServer_UsesServerToolsAsync()
         SessionConfig sessionConfig = new()
         {
             OnPermissionRequest = OnPermissionRequestAsync,
-            McpServers = new Dictionary<string, object>
+            McpServers = new Dictionary<string, McpServerConfig>
             {
-                ["microsoft-learn"] = new McpRemoteServerConfig
+                ["microsoft-learn"] = new McpHttpServerConfig
                 {
-                    Type = "http",
                     Url = "https://learn.microsoft.com/api/mcp",
                     Tools = ["*"],
                 },
diff --git a/dotnet/tests/Microsoft.Agents.AI.GitHub.Copilot.UnitTests/GitHubCopilotAgentTests.cs b/dotnet/tests/Microsoft.Agents.AI.GitHub.Copilot.UnitTests/GitHubCopilotAgentTests.cs
index 52ea0026dc..e2d63b4fc5 100644
--- a/dotnet/tests/Microsoft.Agents.AI.GitHub.Copilot.UnitTests/GitHubCopilotAgentTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.GitHub.Copilot.UnitTests/GitHubCopilotAgentTests.cs
@@ -111,7 +111,7 @@ public void CopySessionConfig_CopiesAllProperties()
         var systemMessage = new SystemMessageConfig { Mode = SystemMessageMode.Append, Content = "Be helpful" };
         PermissionRequestHandler permissionHandler = (_, _) => Task.FromResult(new PermissionRequestResult());
         UserInputHandler userInputHandler = (_, _) => Task.FromResult(new UserInputResponse { Answer = "input" });
-        var mcpServers = new Dictionary<string, object> { ["server1"] = new McpLocalServerConfig() };
+        var mcpServers = new Dictionary<string, McpServerConfig> { ["server1"] = new McpStdioServerConfig() };
 
         var source = new SessionConfig
         {
@@ -162,7 +162,7 @@ public void CopyResumeSessionConfig_CopiesAllProperties()
         var systemMessage = new SystemMessageConfig { Mode = SystemMessageMode.Append, Content = "Be helpful" };
         PermissionRequestHandler permissionHandler = (_, _) => Task.FromResult(new PermissionRequestResult());
         UserInputHandler userInputHandler = (_, _) => Task.FromResult(new UserInputResponse { Answer = "input" });
-        var mcpServers = new Dictionary<string, object> { ["server1"] = new McpLocalServerConfig() };
+        var mcpServers = new Dictionary<string, McpServerConfig> { ["server1"] = new McpStdioServerConfig() };
 
         var source = new SessionConfig
         {