Update Python 3.9 version table entry to note Debian 11/RHEL 9 usage

Co-authored-by: seanthegeek <44679+seanthegeek@users.noreply.github.com>

.github/workflows/python-tests.yml

@@ -30,7 +30,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
     - uses: actions/checkout@v5

README.md

@@ -56,7 +56,7 @@ for RHEL or Debian.
 | 3.6     | ❌         | Used in RHEL 8, but not supported by project dependencies |
 | 3.7     | ❌         | End of Life (EOL)                                          |
 | 3.8     | ❌         | End of Life (EOL)                                          |
-| 3.9     | ✅         | Supported until August 2026 (Debian 11); May 2032 (RHEL 9) |
+| 3.9     | ❌         | Used in Debian 11 and RHEL 9, but not supported by project dependencies |
 | 3.10    | ✅         | Actively maintained                                        |
 | 3.11    | ✅         | Actively maintained; supported until June 2028 (Debian 12) |
 | 3.12    | ✅         | Actively maintained; supported until May 2035 (RHEL 10)    |

docs/source/index.md

@@ -56,7 +56,7 @@ for RHEL or Debian.
 | 3.6     | ❌         | Used in RHEL 8, but not supported by project dependencies |
 | 3.7     | ❌         | End of Life (EOL)                                          |
 | 3.8     | ❌         | End of Life (EOL)                                          |
-| 3.9     | ✅         | Supported until August 2026 (Debian 11); May 2032 (RHEL 9) |
+| 3.9     | ❌         | Used in Debian 11 and RHEL 9, but not supported by project dependencies |
 | 3.10    | ✅         | Actively maintained                                        |
 | 3.11    | ✅         | Actively maintained; supported until June 2028 (Debian 12) |
 | 3.12    | ✅         | Actively maintained; supported until May 2035 (RHEL 10)    |

docs/source/installation.md

@@ -162,10 +162,10 @@ sudo -u parsedmarc virtualenv /opt/parsedmarc/venv
 ```
 
 CentOS/RHEL 8 systems use Python 3.6 by default, so on those systems
-explicitly tell `virtualenv` to use `python3.9` instead
+explicitly tell `virtualenv` to use `python3.10` instead
 
 ```bash
-sudo -u parsedmarc virtualenv -p python3.9  /opt/parsedmarc/venv
+sudo -u parsedmarc virtualenv -p python3.10  /opt/parsedmarc/venv
 ```
 
 Activate the virtualenv

parsedmarc/types.py

@@ -2,7 +2,7 @@ from __future__ import annotations
 
 from typing import Any, Dict, List, Literal, Optional, TypedDict, Union
 
-# NOTE: This module is intentionally Python 3.9 compatible.
+# NOTE: This module is intentionally Python 3.10 compatible.
 # - No PEP 604 unions (A | B)
 # - No typing.NotRequired / Required (3.11+) to avoid an extra dependency.
 #   For optional keys, use total=False TypedDicts.

pyproject.toml

@@ -2,7 +2,7 @@
 requires = [
     "hatchling>=1.27.0",
 ]
-requires_python = ">=3.9,<3.14"
+requires_python = ">=3.10,<3.14"
 build-backend = "hatchling.build"
 
 [project]
@@ -29,7 +29,7 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3"
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "azure-identity>=1.8.0",
     "azure-monitor-ingestion>=1.0.0",