diff --git a/.github/workflows/lint-and-fmt.yml b/.github/workflows/lint-and-fmt.yml
index 3565163..4e6b0b3 100644
--- a/.github/workflows/lint-and-fmt.yml
+++ b/.github/workflows/lint-and-fmt.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         # Only run linter and formatter on minimum supported Python version
-        python-version: ['3.10']
+        python-version: ['3.11']
         architecture: ['x64']
     name: lint and fmt - Python ${{ matrix.python-version }} on ${{ matrix.architecture }}
     steps:
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index 7a339cd..03fe4f8 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -12,9 +12,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
+        python-version: ['3.11', '3.12', '3.13', '3.14', '3.15', '3.15t']
         architecture: ['x64']
     name: unittest - Python ${{ matrix.python-version }} on ${{ matrix.architecture }}
+    env:
+      UV_PYTHON: ${{ matrix.python-version }}
     steps:
       - name: Checkout
         uses: actions/checkout@v7
diff --git a/pyproject.toml b/pyproject.toml
index bfb8d57..5715fd5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "moelib"
 version = "0.1.0"
 description = ""
 readme = "README.md"
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 dependencies = []
 authors = [{ name = "Nyakku Shigure", email = "sigure.qaq@gmail.com" }]
 keywords = []
@@ -14,11 +14,11 @@ classifiers = [
   "Typing :: Typed",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3",
-  "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",
+  "Programming Language :: Python :: 3.15",
   "Programming Language :: Python :: Implementation :: CPython",
 ]
 
@@ -41,7 +41,7 @@ dev = [
 
 [tool.ruff]
 line-length = 120
-target-version = "py310"
+target-version = "py311"
 
 [tool.ruff.lint]
 select = [
diff --git a/uv.lock b/uv.lock
index d9160b0..4845322 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,6 +1,6 @@
 version = 1
 revision = 3
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 
 [[package]]
 name = "colorama"
@@ -11,15 +11,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/d1/d6/3965ed04c63042e047cb6a3e6ed1a63a35087b6a609aa3a15ed8ac56c221/colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6", size = 25335, upload-time = "2022-10-25T02:36:20.889Z" },
 ]
 
-[[package]]
-name = "exceptiongroup"
-version = "1.2.2"
-source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/09/35/2495c4ac46b980e4ca1f6ad6db102322ef3ad2410b79fdde159a4b0f3b92/exceptiongroup-1.2.2.tar.gz", hash = "sha256:47c2edf7c6738fafb49fd34290706d1a1a2f4d1c6df275526b62cbb4aa5393cc", size = 28883, upload-time = "2024-07-12T22:26:00.161Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/02/cc/b7e31358aac6ed1ef2bb790a9746ac2c69bcb3c8588b41616914eb106eaf/exceptiongroup-1.2.2-py3-none-any.whl", hash = "sha256:3111b9d131c238bec2f8f516e123e14ba243563fb135d3fe885990585aa7795b", size = 16453, upload-time = "2024-07-12T22:25:58.476Z" },
-]
-
 [[package]]
 name = "iniconfig"
 version = "2.0.0"
@@ -85,12 +76,10 @@ version = "9.1.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "colorama", marker = "sys_platform == 'win32'" },
-    { name = "exceptiongroup", marker = "python_full_version < '3.11'" },
     { name = "iniconfig" },
     { name = "packaging" },
     { name = "pluggy" },
     { name = "pygments" },
-    { name = "tomli", marker = "python_full_version < '3.11'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/e4/47/b9efed96c114afcfa3c9d3fe98a76a1d14c74a9e266d397cf6eb64be5e01/pytest-9.1.1.tar.gz", hash = "sha256:1088fbde8f2b49d95a549a195707afa7a76a3ce9bcadc26b6d71f0ffda5fe313", size = 1636369, upload-time = "2026-06-19T10:58:32.857Z" }
 wheels = [
@@ -135,15 +124,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/8b/4b/51327018d056f0dad2c2238f26d1fb0f53707a9d91b75dea6d1b3039f136/ruff-0.16.7-py3-none-win_arm64.whl", hash = "sha256:aab7f39e2c9df6c596216070f98eef1207b94f8516cca20c808826974971855b", size = 10412401, upload-time = "2026-09-10T18:04:04.098Z" },
 ]
 
-[[package]]
-name = "tomli"
-version = "2.0.2"
-source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/35/b9/de2a5c0144d7d75a57ff355c0c24054f965b2dc3036456ae03a51ea6264b/tomli-2.0.2.tar.gz", hash = "sha256:d46d457a85337051c36524bc5349dd91b1877838e2979ac5ced3e710ed8a60ed", size = 16096, upload-time = "2024-10-02T10:46:13.208Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/cf/db/ce8eda256fa131af12e0a76d481711abe4681b6923c27efb9a255c9e4594/tomli-2.0.2-py3-none-any.whl", hash = "sha256:2ebe24485c53d303f690b0ec092806a085f07af5a5aa1464f3931eec36caaa38", size = 13237, upload-time = "2024-10-02T10:46:11.806Z" },
-]
-
 [[package]]
 name = "ty"
 version = "0.0.80"