From 38e9d0913675d7f8dd4b6a1b262b6bf52bad5924 Mon Sep 17 00:00:00 2001
From: Inada Naoki <songofacandy@gmail.com>
Date: Thu, 9 Oct 2025 17:43:23 +0900
Subject: [PATCH] drop Python 3.9

---
 .github/workflows/test.yml  | 8 +++-----
 .github/workflows/wheel.yml | 6 +++---
 pyproject.toml              | 4 ++--
 3 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 20410fe9..6b1664ae 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,10 +10,8 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest", "windows-latest", "windows-11-arm", "macos-latest"]
-        py: ["3.14", "3.14t", "3.13", "3.12", "3.11", "3.10", "3.9"]
+        py: ["3.14", "3.14t", "3.13", "3.12", "3.11", "3.10"]
         exclude:
-          - os: windows-11-arm
-            py: "3.9"
           - os: windows-11-arm
             py: "3.10"
     runs-on: ${{ matrix.os }}
@@ -21,10 +19,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.py }}
           allow-prereleases: true
diff --git a/.github/workflows/wheel.yml b/.github/workflows/wheel.yml
index fca321af..be54e5e1 100644
--- a/.github/workflows/wheel.yml
+++ b/.github/workflows/wheel.yml
@@ -17,8 +17,8 @@ jobs:
     name: Build wheels on ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.x"
           cache: "pip"
@@ -33,7 +33,7 @@ jobs:
         env:
           CIBW_TEST_REQUIRES: "pytest"
           CIBW_TEST_COMMAND: "pytest {package}/test"
-          CIBW_SKIP: "pp* cp38-* cp39-win_arm64 cp310-win_arm64"
+          CIBW_SKIP: "pp* cp38-* cp39-* cp310-win_arm64"
 
       - name: Build sdist
         if: runner.os == 'Linux' && runner.arch == 'X64'
diff --git a/pyproject.toml b/pyproject.toml
index a4c2172a..c69d5a7c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ authors = [{name="Inada Naoki", email="songofacandy@gmail.com"}]
 description = "MessagePack serializer"
 readme = "README.md"
 keywords = ["msgpack", "messagepack", "serializer", "serialization", "binary"]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Operating System :: OS Independent",
@@ -36,7 +36,7 @@ version = {attr = "msgpack.__version__"}
 
 [tool.ruff]
 line-length = 100
-target-version = "py39"
+target-version = "py310"
 lint.select = [
     "E", # pycodestyle
     "F", # Pyflakes