diff --git a/pyproject.toml b/pyproject.toml
index 7abdb619..fe9697e3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "azure-functions",
     "azure-mgmt-apimanagement",
     # MCP labs (root environment)
-    "mcp==1.21.2",
+    "mcp==1.27.2",
     "autogen-core",
     "autogen-ext[openai,azure,mcp]",
     "autogen-agentchat",
diff --git a/uv.lock b/uv.lock
index c5fd4a51..d8090292 100644
--- a/uv.lock
+++ b/uv.lock
@@ -63,7 +63,7 @@ requires-dist = [
     { name = "azure-search-documents" },
     { name = "jsonref" },
     { name = "matplotlib" },
-    { name = "mcp", specifier = "==1.21.2" },
+    { name = "mcp", specifier = "==1.27.2" },
     { name = "msal" },
     { name = "openai", extras = ["realtime"] },
     { name = "opentelemetry-api" },
@@ -3125,7 +3125,7 @@ wheels = [
 
 [[package]]
 name = "mcp"
-version = "1.21.2"
+version = "1.27.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
@@ -3143,9 +3143,9 @@ dependencies = [
     { name = "typing-inspection" },
     { name = "uvicorn", marker = "sys_platform != 'emscripten'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/15/bb/147bf5d47b8d6f3fb315204cd2f567b1ad85511acd8d59e85cccf7cce65c/mcp-1.21.2.tar.gz", hash = "sha256:b6497b7f7a77aabe263931a3335956dfd45fe8b1e2168931e455914ba1a7f4c9", size = 470799, upload-time = "2025-11-17T13:56:06.397Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/27/3c/347cf965d313f5d41764e7d46bea6ffe7d9ef13b983cc429b0340962a082/mcp-1.27.2.tar.gz", hash = "sha256:8e02db104096d1c25b28e64bde29a5c32b31bc241710213e12fd4d84985bdfef", size = 621116, upload-time = "2026-05-29T17:16:04.039Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/67/0f/669ecbe78a0ba192afcc0b026ae62d1005779e91bad27ab9d703401510bf/mcp-1.21.2-py3-none-any.whl", hash = "sha256:59413ef15db757a785e3859548c1a7ffc7be57bf162c3c24afc0e04fd9f4181c", size = 174854, upload-time = "2025-11-17T13:56:04.987Z" },
+    { url = "https://files.pythonhosted.org/packages/c9/11/252c6f971dc4f16af1d98a1c469d8ba523aab00d1bb76b4d3bc1ff32eacc/mcp-1.27.2-py3-none-any.whl", hash = "sha256:d6ff5160c6ca65d93013626efb3fc249de683c30b2d8570755ceddd490344de5", size = 220498, upload-time = "2026-05-29T17:16:02.442Z" },
 ]
 
 [[package]]