diff --git a/evaluation/pyproject.toml b/evaluation/pyproject.toml
index 5a151f6..1e6e003 100644
--- a/evaluation/pyproject.toml
+++ b/evaluation/pyproject.toml
@@ -5,7 +5,7 @@ description = "Tool Evaluation Framework using Azure OpenAI and MCP"
 requires-python = ">=3.13"
 dependencies = [
     "openai>=1.54.0",
-    "mcp>=1.12.3",
+    "mcp>=1.28.1",
     # LangGraph is pinned to an exact version. The 1.x line is API-stable
     # but minor releases routinely tweak checkpointer / interrupt semantics,
     # so we want changes to land via an explicit bump rather than a passive
@@ -31,7 +31,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "pytest>=8.0.0",
+    "pytest>=9.1.1",
     "pytest-asyncio>=0.24.0",
 ]
 
diff --git a/evaluation/uv.lock b/evaluation/uv.lock
index 2bbdb64..12d48b7 100644
--- a/evaluation/uv.lock
+++ b/evaluation/uv.lock
@@ -1,6 +1,12 @@
 version = 1
 revision = 3
 requires-python = ">=3.13"
+resolution-markers = [
+    "python_full_version >= '3.14' and sys_platform == 'win32'",
+    "python_full_version >= '3.14' and sys_platform != 'win32'",
+    "python_full_version < '3.14' and sys_platform == 'win32'",
+    "python_full_version < '3.14' and sys_platform != 'win32'",
+]
 
 [[package]]
 name = "annotated-types"
@@ -501,7 +507,7 @@ wheels = [
 
 [[package]]
 name = "mcp"
-version = "1.20.0"
+version = "1.28.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
@@ -515,11 +521,13 @@ dependencies = [
     { name = "pywin32", marker = "sys_platform == 'win32'" },
     { name = "sse-starlette" },
     { name = "starlette" },
+    { name = "typing-extensions" },
+    { name = "typing-inspection" },
     { name = "uvicorn", marker = "sys_platform != 'emscripten'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/f8/22/fae38092e6c2995c03232635028510d77e7decff31b4ae79dfa0ba99c635/mcp-1.20.0.tar.gz", hash = "sha256:9ccc09eaadbfbcbbdab1c9723cfe2e0d1d9e324d7d3ce7e332ef90b09ed35177", size = 451377, upload-time = "2025-10-30T22:14:53.421Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/6e/77/9450b8f251a13affb6281997d0523c4615f8a8b35d0b21ff30db3a5aac9d/mcp-1.28.1.tar.gz", hash = "sha256:d51e36a5f5644faea4f85ea649bfffa6bc6c26770d42798ad6a3de3d2ba69683", size = 638501, upload-time = "2026-06-26T12:57:29.093Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/df/00/76fc92f4892d47fecb37131d0e95ea69259f077d84c68f6793a0d96cfe80/mcp-1.20.0-py3-none-any.whl", hash = "sha256:d0dc06f93653f7432ff89f694721c87f79876b6f93741bf628ad1e48f7ac5e5d", size = 173136, upload-time = "2025-10-30T22:14:51.078Z" },
+    { url = "https://files.pythonhosted.org/packages/e2/5e/d118fce19f87a2e7d8101c35c8ae0ec289098a4df0ff244cec23e415aca0/mcp-1.28.1-py3-none-any.whl", hash = "sha256:2726bca5e7193f61c5dde8b12500a6de2d9acf6d1a1c0be9e8c2e706437991df", size = 222620, upload-time = "2026-06-26T12:57:27.218Z" },
 ]
 
 [[package]]
@@ -754,7 +762,7 @@ crypto = [
 
 [[package]]
 name = "pytest"
-version = "9.0.3"
+version = "9.1.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "colorama", marker = "sys_platform == 'win32'" },
@@ -763,9 +771,9 @@ dependencies = [
     { name = "pluggy" },
     { name = "pygments" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/7d/0d/549bd94f1a0a402dc8cf64563a117c0f3765662e2e668477624baeec44d5/pytest-9.0.3.tar.gz", hash = "sha256:b86ada508af81d19edeb213c681b1d48246c1a91d304c6c81a427674c17eb91c", size = 1572165, upload-time = "2026-04-07T17:16:18.027Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/e4/47/b9efed96c114afcfa3c9d3fe98a76a1d14c74a9e266d397cf6eb64be5e01/pytest-9.1.1.tar.gz", hash = "sha256:1088fbde8f2b49d95a549a195707afa7a76a3ce9bcadc26b6d71f0ffda5fe313", size = 1636369, upload-time = "2026-06-19T10:58:32.857Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/d4/24/a372aaf5c9b7208e7112038812994107bc65a84cd00e0354a88c2c77a617/pytest-9.0.3-py3-none-any.whl", hash = "sha256:2c5efc453d45394fdd706ade797c0a81091eccd1d6e4bccfcd476e2b8e0ab5d9", size = 375249, upload-time = "2026-04-07T17:16:16.13Z" },
+    { url = "https://files.pythonhosted.org/packages/24/25/1de2678b631f5a49215c6c96fff41ba892b0a34df68d6d80292b1b48aa7f/pytest-9.1.1-py3-none-any.whl", hash = "sha256:37a86b45efb9a47a61a36449063e8e18d0cab3161329fc099eb21783169c4f0c", size = 386536, upload-time = "2026-06-19T10:58:31.347Z" },
 ]
 
 [[package]]
@@ -1018,10 +1026,10 @@ dev = [
 requires-dist = [
     { name = "jsonschema", specifier = ">=4.18,<5.0" },
     { name = "langgraph", specifier = "==1.1.9" },
-    { name = "mcp", specifier = ">=1.12.3" },
+    { name = "mcp", specifier = ">=1.28.1" },
     { name = "nvdlib", specifier = ">=0.8.3" },
     { name = "openai", specifier = ">=1.54.0" },
-    { name = "pytest", marker = "extra == 'dev'", specifier = ">=8.0.0" },
+    { name = "pytest", marker = "extra == 'dev'", specifier = ">=9.1.1" },
     { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = ">=0.24.0" },
     { name = "python-dotenv", specifier = ">=1.2.2" },
 ]