build(deps): drop Python 3.9 support (EOL October 2025)

owenthcarey · owenthcarey · commit 552cd9958c46 · 2026-03-30T23:21:00.000-07:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ['3.10', '3.11']
 
     steps:
       - name: Checkout
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -4,7 +4,7 @@ Thanks for your interest in contributing. This repository contains the PythonNat
 
 ## Quick start
 
-Development uses Python ≥ 3.9.
+Development uses Python ≥ 3.10.
 
 ```bash
 # create and activate a venv (recommended)
diff --git a/pyproject.toml b/pyproject.toml
@@ -10,15 +10,14 @@ authors = [
   { name = "Owen Carey" }
 ]
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 license = { file = "LICENSE" }
 classifiers = [
   "Development Status :: 2 - Pre-Alpha",
   "Intended Audience :: Developers",
   "License :: OSI Approved :: MIT License",
   "Programming Language :: Python :: 3",
   "Programming Language :: Python :: 3 :: Only",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
