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 6905bcd..31d0efe 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==0.15.22