diff --git a/ai/slackbot-mcp-client/rich-responses/mcp-apps/requirements.txt b/ai/slackbot-mcp-client/rich-responses/mcp-apps/requirements.txt
index 95fdecc..9fa0893 100644
--- a/ai/slackbot-mcp-client/rich-responses/mcp-apps/requirements.txt
+++ b/ai/slackbot-mcp-client/rich-responses/mcp-apps/requirements.txt
@@ -1,5 +1,5 @@
 httpx2==2.9.1
-mcp==1.28.1
+mcp==2.0.0
 mypy==2.3.0
 pytest==9.1.1
 ruff==0.16.0
diff --git a/ai/slackbot-mcp-client/rich-responses/mcp-apps/src/app.py b/ai/slackbot-mcp-client/rich-responses/mcp-apps/src/app.py
index 9a8c2e1..f7d2659 100644
--- a/ai/slackbot-mcp-client/rich-responses/mcp-apps/src/app.py
+++ b/ai/slackbot-mcp-client/rich-responses/mcp-apps/src/app.py
@@ -3,7 +3,7 @@
 import random
 from pathlib import Path
 
-from mcp.server.fastmcp import FastMCP
+from mcp.server import MCPServer
 from mcp.types import CallToolResult, TextContent, ToolAnnotations
 from slack_bolt import App
 from slack_bolt.adapter.starlette import SlackRequestHandler
@@ -23,14 +23,14 @@
 https://github.com/modelcontextprotocol/python-sdk#quickstart
 """
 
-mcp_server = FastMCP("Dice Game", stateless_http=True, json_response=True)
+mcp_server = MCPServer("Dice Game")
 
 
 @mcp_server.tool(
     name="roll_dice",
     title="Roll Dice",
     description="Roll one or more dice with a configurable number of sides.",
-    annotations=ToolAnnotations(readOnlyHint=True),
+    annotations=ToolAnnotations(read_only_hint=True),
     meta={
         "ui": {
             "resourceUri": RESOURCE_URI,
@@ -47,7 +47,7 @@ def roll_dice(sides: int = 6, count: int = 1) -> CallToolResult:
         content=[
             TextContent(type="text", text=f"Rolled {label}:{rolls_display} = {total}")
         ],
-        structuredContent={
+        structured_content={
             "sides": sides,
             "count": count,
             "rolls": rolls,
@@ -123,7 +123,7 @@ async def lifespan(a):
         yield
 
 
-mcp_app = mcp_server.streamable_http_app()
+mcp_app = mcp_server.streamable_http_app(stateless_http=True, json_response=True)
 
 
 app = Starlette(