diff --git a/sdks/python/README.md b/sdks/python/README.md
index 57cbd56..5d1bc3c 100644
--- a/sdks/python/README.md
+++ b/sdks/python/README.md
@@ -8,7 +8,7 @@ Official Python SDK for the [Elydora](https://elydora.com) tamper-evident audit
 pip install elydora
 ```
 
-Requires Python 3.9+.
+Requires Python 3.10+.
 
 ## Quick Start
 
diff --git a/sdks/python/elydora/types.py b/sdks/python/elydora/types.py
index 5692c82..185fdce 100644
--- a/sdks/python/elydora/types.py
+++ b/sdks/python/elydora/types.py
@@ -1,6 +1,6 @@
 """Type definitions matching the Elydora backend API contract.
 
-All types use TypedDict for structural typing, compatible with Python 3.9+.
+All types use TypedDict for structural typing, compatible with Python 3.10+.
 """
 
 import sys
diff --git a/sdks/python/pyproject.toml b/sdks/python/pyproject.toml
index fef010f..81ccbae 100644
--- a/sdks/python/pyproject.toml
+++ b/sdks/python/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=68.0", "wheel"]
+requires = ["setuptools>=77.0.3", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -7,24 +7,24 @@ name = "elydora"
 dynamic = ["version"]
 description = "Python SDK for the Elydora tamper-evident audit platform"
 readme = "README.md"
-license = {text = "MIT"}
-requires-python = ">=3.9"
+license = "MIT"
+requires-python = ">=3.10"
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Intended Audience :: Developers",
-    "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Typing :: Typed",
 ]
 dependencies = [
-    "requests>=2.28.0",
-    "aiohttp>=3.8.0",
-    "cryptography>=41.0.0",
+    "requests>=2.33.0",
+    "aiohttp>=3.14.1",
+    "urllib3>=2.7.0",
+    "cryptography>=48.0.1",
     "tomlkit>=0.15.1,<1.0.0",
     "typing_extensions>=4.0.0;python_version<'3.11'",
 ]
@@ -34,8 +34,8 @@ elydora = "elydora.cli:main"
 
 [project.optional-dependencies]
 dev = [
-    "pytest>=7.0",
-    "pytest-asyncio>=0.21",
+    "pytest>=9.0.3",
+    "pytest-asyncio>=1.4.0",
     "mypy>=1.0",
 ]
 
diff --git a/sdks/python/tests/test_package_metadata.py b/sdks/python/tests/test_package_metadata.py
new file mode 100644
index 0000000..173767a
--- /dev/null
+++ b/sdks/python/tests/test_package_metadata.py
@@ -0,0 +1,80 @@
+from pathlib import Path
+
+from packaging.requirements import Requirement
+from packaging.version import Version
+import tomlkit
+
+
+PROJECT_ROOT = Path(__file__).resolve().parents[1]
+
+
+def _pyproject() -> dict[str, object]:
+    return tomlkit.parse((PROJECT_ROOT / "pyproject.toml").read_text(encoding="utf-8"))
+
+
+def _project_metadata() -> dict[str, object]:
+    return _pyproject()["project"]
+
+
+def _requirements(entries: object) -> dict[str, Requirement]:
+    assert isinstance(entries, list)
+    requirements = (Requirement(str(entry)) for entry in entries)
+    return {requirement.name: requirement for requirement in requirements}
+
+
+def _assert_safe_floor(
+    requirement: Requirement,
+    vulnerable: str,
+    fixed: str,
+) -> None:
+    assert Version(vulnerable) not in requirement.specifier
+    assert Version(fixed) in requirement.specifier
+
+
+def test_python_support_matches_maintained_runtime_line() -> None:
+    project = _project_metadata()
+
+    assert project["requires-python"] == ">=3.10"
+    assert "Programming Language :: Python :: 3.9" not in project["classifiers"]
+    assert "Programming Language :: Python :: 3.14" in project["classifiers"]
+
+
+def test_license_uses_current_packaging_metadata() -> None:
+    document = _pyproject()
+    project = document["project"]
+    assert isinstance(project, dict)
+    build_system = document["build-system"]
+    assert isinstance(build_system, dict)
+    build_requirements = _requirements(build_system["requires"])
+
+    assert project["license"] == "MIT"
+    assert all(
+        not str(classifier).startswith("License ::")
+        for classifier in project["classifiers"]
+    )
+    assert Version("77.0.3") in build_requirements["setuptools"].specifier
+
+
+def test_dependency_floors_exclude_known_vulnerable_releases() -> None:
+    project = _project_metadata()
+    runtime = _requirements(project["dependencies"])
+    optional = project["optional-dependencies"]
+    assert isinstance(optional, dict)
+    development = _requirements(optional["dev"])
+
+    _assert_safe_floor(runtime["requests"], "2.32.5", "2.33.0")
+    _assert_safe_floor(runtime["aiohttp"], "3.13.5", "3.14.1")
+    _assert_safe_floor(runtime["urllib3"], "2.6.3", "2.7.0")
+    _assert_safe_floor(runtime["cryptography"], "41.0.0", "48.0.1")
+    _assert_safe_floor(development["pytest"], "8.4.2", "9.0.3")
+
+
+def test_async_test_runner_supports_pytest_nine() -> None:
+    project = _project_metadata()
+    optional = project["optional-dependencies"]
+    assert isinstance(optional, dict)
+    development = _requirements(optional["dev"])
+
+    requirement = development["pytest-asyncio"]
+    assert Version("1.3.0") not in requirement.specifier
+    assert Version("1.4.0") in requirement.specifier