diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index db39929..3dc298d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,9 +1,6 @@
 name: json-store
 on: [push, pull_request]
 
-env:
-  pip-cache-key: 2023.02.03
-
 jobs:
   lint:
     runs-on: ubuntu-latest
@@ -11,13 +8,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: pip cache
-        uses: actions/cache@v4
-        with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ github.job }}-${{ env.pip-cache-key }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
+      - name: Install uv
+        uses: astral-sh/setup-uv@v2
 
       - name: pre-commit cache
         uses: actions/cache@v4
@@ -27,14 +19,8 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-pre-commit-
 
-      - name: Display Python version
-        run: python -c "import sys; print(sys.version)"
-
-      - name: Install ${{ github.job }} dependencies
-        run: pip install --disable-pip-version-check pre-commit
-
       - name: Run pre-commit tests
-        run: pre-commit run -a
+        run: uv tool run pre-commit run -a
 
   build:
     runs-on: ubuntu-latest
@@ -42,25 +28,11 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: pip cache
-        uses: actions/cache@v4
-        with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ github.job }}-${{ env.pip-cache-key }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
-
-      - name: Display Python version
-        run: python -c "import sys; print(sys.version)"
-
-      - name: Upgrade pip and setuptools
-        run: python -m pip install --upgrade pip setuptools
-
-      - name: Install ${{ github.job }} dependencies
-        run: pip --disable-pip-version-check install wheel build
+      - name: Install uv
+        uses: astral-sh/setup-uv@v2
 
       - name: Build package
-        run: python -m build
+        run: uv build
 
       - name: Store build artifacts
         uses: actions/upload-artifact@v4
@@ -72,44 +44,32 @@ jobs:
     needs: [lint, build]
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-latest]
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "pypy-3.10"]
+        include:
+          - os: windows-latest
+            python-version: ["3.8", "3.12"]
+          - os: macos-latest
+            python-version: ["3.8", "3.12"]
     runs-on: ${{ matrix.os }}
 
     steps:
       - uses: actions/checkout@v4
 
-      - name: pip cache
-        uses: actions/cache@v4
-        with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ github.job }}-${{ env.pip-cache-key }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
+      - name: Install uv
+        uses: astral-sh/setup-uv@v2
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Download build artifacts
-        uses: actions/download-artifact@v4
-        with:
-          name: dist
-          path: dist
-
       - name: Install ${{ github.job }} dependencies
         run: |
-          pip install --disable-pip-version-check pytest
-
-      - name: Install json-store package
-        shell: bash # so this works on both Linux and Windows
-        run: |
-          pip install --disable-pip-version-check dist/json_store-*.whl
+          uv sync --dev
 
       - name: Test with pytest
-        run: pytest
+        run: uv run pytest
 
       - name: Test shelve2json
-        if: ${{ matrix.os != 'windows-latest' }} # shelve.open has an internal traceback on Windows
-        run: sh tests/test_shelve2json.sh
+        run: uv run sh tests/test_shelve2json.sh
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..8d8ecfa
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,51 @@
+[project]
+dynamic = ["version"]
+name = "json-store"
+requires-python = ">=3.8"
+dependencies = []
+
+authors = [{name = "jeremy avnet", email = "json-store@theory.org"}]
+description = "A shelve-like store using JSON serialization."
+readme = "README.md"
+license = {file = "LICENSE.txt"}
+keywords = ["json", "shelve"]
+
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+
+    "Intended Audience :: Developers",
+    "Topic :: Software Development :: Libraries",
+
+    "License :: OSI Approved :: MIT License",
+
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
+]
+
+[project.urls]
+Homepage = "https://github.com/brainsik/json-store"
+Repository = "https://github.com/brainsik/json-store.git"
+Issues = "https://github.com/brainsik/json-store/issues"
+Changelog = "https://github.com/brainsik/json-store/releases"
+
+[project.scripts]
+shelve2json = "json_store.shelve2json:main"
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.version]
+path = "src/json_store/__init__.py"
+
+[tool.uv]
+dev-dependencies = [
+	"pytest >=8.3"
+]
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 3c6e79c..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-[bdist_wheel]
-universal=1
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 140f10b..0000000
--- a/setup.py
+++ /dev/null
@@ -1,40 +0,0 @@
-# encoding: utf-8
-import setuptools
-
-import json_store
-
-setuptools.setup(
-    name="json-store",
-    version=json_store.__version__,
-    packages=["json_store"],
-    entry_points={
-        "console_scripts": [
-            "shelve2json=json_store.shelve2json:main",
-        ],
-    },
-    description="A shelve-like store using JSON serialization.",
-    long_description=(
-        "JSON store is a simple replacement for shelve. It writes"
-        " JSON serialized files, accepts unicode keys, and tracks"
-        " whether the store has been changed since last sync."
-        " It has no dependencies."
-    ),
-    author="jeremy avnet",
-    author_email="json-store@theory.org",
-    license="MIT License",
-    url="https://github.com/brainsik/json-store",
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "Intended Audience :: Developers",
-        "License :: OSI Approved :: MIT License",
-        "Operating System :: OS Independent",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: 3.11",
-        "Programming Language :: Python :: 3.12",
-        "Programming Language :: Python :: Implementation :: CPython",
-        "Programming Language :: Python :: Implementation :: PyPy",
-    ],
-)
diff --git a/json_store/__init__.py b/src/json_store/__init__.py
similarity index 100%
rename from json_store/__init__.py
rename to src/json_store/__init__.py
diff --git a/json_store/json_store.py b/src/json_store/json_store.py
similarity index 100%
rename from json_store/json_store.py
rename to src/json_store/json_store.py
diff --git a/json_store/shelve2json.py b/src/json_store/shelve2json.py
similarity index 100%
rename from json_store/shelve2json.py
rename to src/json_store/shelve2json.py