diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index be4dde6..fd9a025 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,16 +11,21 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@main
-      - name: Install system python deps
-        run: sudo apt update && sudo apt install python3-ply python3-pil libjpeg-dev zlib1g-dev
-      - name: Get setuptools
-        run: pip install --upgrade setuptools
-      - name: Install poetry
-        run: pip install poetry
+      - name: Install system deps
+        run: sudo apt update && sudo apt install libjpeg-dev zlib1g-dev
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+      - name: Set up Python 3.12.10
+        run: uv python install 3.12.10
+      - name: Create and activate virtual environment
+        run: |
+          uv venv --python 3.12.10
+          echo "VIRTUAL_ENV=$PWD/.venv" >> $GITHUB_ENV
+          echo "$PWD/.venv/bin" >> $GITHUB_PATH
       - name: Install dependencies
-        run: pip install .
+        run: uv pip install .
       - name: Build
-        run: poetry build
+        run: uv build
       - name: Upload Wheel
         uses: actions/upload-artifact@v4
         with:
diff --git a/.github/workflows/sphinx-gh-pages.yml b/.github/workflows/sphinx-gh-pages.yml
index 5bbbedd..07ffc33 100644
--- a/.github/workflows/sphinx-gh-pages.yml
+++ b/.github/workflows/sphinx-gh-pages.yml
@@ -22,16 +22,23 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Setup Python
-      uses: actions/setup-python@v5
-      with:
-        python-version: '3.x'
+    - name: Install system deps
+      run: sudo apt update && sudo apt install libjpeg-dev zlib1g-dev
 
-    - name: Install dependencies
+    - name: Install uv
+      uses: astral-sh/setup-uv@v4
+
+    - name: Set up Python 3.12.10
+      run: uv python install 3.12.10
+
+    - name: Create and activate virtual environment
       run: |
-        python -m pip install --upgrade pip
-        if [ -f requirements-dev.txt ]; then pip install -r requirements-dev.txt; fi
-        pip install sphinx furo myst_parser
+        uv venv --python 3.12.10
+        echo "VIRTUAL_ENV=$PWD/.venv" >> $GITHUB_ENV
+        echo "$PWD/.venv/bin" >> $GITHUB_PATH
+
+    - name: Install dependencies
+      run: uv pip install ".[doc]"
 
     - name: Build documentation
       run: make doc
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index c0bbfbd..de58042 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -24,11 +24,18 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@main
-      - name: Install system python deps
-        run: sudo apt update && sudo apt install python3-ply python3-pil libjpeg-dev zlib1g-dev
-      - name: Get setuptools
-        run: pip install --upgrade setuptools
+      - name: Install system deps
+        run: sudo apt update && sudo apt install libjpeg-dev zlib1g-dev
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+      - name: Set up Python 3.12.10
+        run: uv python install 3.12.10
+      - name: Create and activate virtual environment
+        run: |
+          uv venv --python 3.12.10
+          echo "VIRTUAL_ENV=$PWD/.venv" >> $GITHUB_ENV
+          echo "$PWD/.venv/bin" >> $GITHUB_PATH
       - name: Install dependencies
-        run: pip install ".[test]"
+        run: uv pip install ".[test]"
       - name: Test agrf with coverage
         run: pytest
diff --git a/pyproject.toml b/pyproject.toml
index 27bc7e0..fa6a0db 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ authors = [
 ]
 description = "Ahyangyi's OpenTTD NewGRF Toolkit"
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.12.10"
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Programming Language :: Python :: 3",