diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 827ea21..6a4f434 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
diff --git a/docs/changelog.md b/docs/changelog.md
index 77f72e6..23123ef 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 2.2.0 - 2025-10-02
+- Update supported python versions.
+  Support for 3.9 dropped.  Support through 3.14 added.
+
 ## 2.1.1 - 2025-08-11
 - Add py.typed to all top level packages
 
diff --git a/noxfile.py b/noxfile.py
index c97f384..49b7c24 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -21,7 +21,7 @@
 ]
 
 _DEFAULT_PYTHON = "3.13"
-_ALL_PYTHON = ["3.9", "3.10", "3.11", "3.12", "3.13"]
+_ALL_PYTHON = ["3.10", "3.11", "3.12", "3.13", "3.14"]
 
 
 @nox.session(python=_ALL_PYTHON)
@@ -40,7 +40,7 @@ def pytest(session):
 @nox.session(python=_DEFAULT_PYTHON)
 def semgrep_src(session):
     """Scan the code for security problems with semgrep"""
-    session.install("-e", ".[test]")
+    session.install("-e", ".[testsecurity]")
     # session.run("semgrep", "scan", "--strict", "--verbose", "--error", "--junit-xml", "--junit-xml-output=semgrep-src.xml", "src")
     session.run("semgrep", "scan", "--strict", "--verbose", "--error", "src")
 
diff --git a/pyproject.toml b/pyproject.toml
index 1b56d80..1f89537 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@
 ## ###########################################################################
 [project]
 name = "planet-auth"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dynamic = ["version"]
 # version = "X.X.X"
 description = "Planet Auth Utility Code"
@@ -69,9 +69,11 @@ test = [
     "pytest",
     "pytest-cov",
     "pytest-xdist",
-    "semgrep",
     "validators",
 ]
+testsecurity = [
+    "semgrep",
+]
 dev = [
     "planet-auth[test, docs, build]",
 ]
@@ -85,7 +87,7 @@ internal = [
 plauth = "planet_auth_utils.commands.cli.main:cmd_plauth"
 
 [build-system]
-requires = ["setuptools>=64", "setuptools_scm>=8", "wheel"]
+requires = ["setuptools >= 77.0.3", "setuptools_scm >= 8"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools.dynamic]
diff --git a/src/planet_auth/logging/auth_logger.py b/src/planet_auth/logging/auth_logger.py
index 4107660..2563aa9 100644
--- a/src/planet_auth/logging/auth_logger.py
+++ b/src/planet_auth/logging/auth_logger.py
@@ -18,7 +18,7 @@
 import importlib.metadata
 
 from contextlib import suppress
-from typing import Dict
+from typing import Dict, Optional
 
 from .events import AuthEvent
 from planet_auth.auth_exception import AuthException, InvalidTokenException
@@ -234,14 +234,14 @@ def setPyLoggerForAuthLogger(py_logger: logging.Logger):
     _lib_global_py_logger = py_logger
 
 
-def setStructuredLogging(nested_key=DEFAULT_NESTED_KEY):
+def setStructuredLogging(nested_key: Optional[str] = DEFAULT_NESTED_KEY):
     """
     Configure the library to emit structured log messages.  When this
     mode is set, logs will be emitted specifying information using the logger's
     `extra` field.
 
     Parameters:
-        nested_key : dict key in which to wrap the library's data logged under
+        nested_key: dict key in which to wrap the library's data logged under
             the `extra` field.  The default is to include all library logged
             extra fields encapsulated inside a dictionary with the single key
             `props`.  This default was chosen to comform to the expectations of
diff --git a/version.txt b/version.txt
index 3e3c2f1..ccbccc3 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.1.1
+2.2.0