diff --git a/pccommon/pyproject.toml b/pccommon/pyproject.toml
new file mode 100644
index 00000000..ef2c2a02
--- /dev/null
+++ b/pccommon/pyproject.toml
@@ -0,0 +1,50 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "pccommon"
+dynamic = ["version"]
+description = "Planetary Computer API - Common."
+license = { text = "MIT" }
+requires-python = ">=3.7"
+dependencies = [
+    "azure-data-tables>=12.5.0",
+    "azure-identity>=1.16.1",
+    "azure-storage-blob>=12.20.0",
+    "cachetools~=5.3",
+    "fastapi-slim>=0.111.0",
+    "html-sanitizer>=2.4.4",
+    "idna>=3.7.0",
+    "lxml_html_clean>=0.1.0",
+    "opencensus-ext-azure>=1.1.13",
+    "opencensus-ext-logging>=0.1.1",
+    "orjson>=3.10.4",
+    "pydantic-settings>=2.3",
+    "pydantic>=2.7",
+    "pyhumps>=3.5.3",
+    "redis>=4.6.0",
+    "requests>=2.32.3",
+    "starlette>=0.37.2",
+    "types-cachetools>=4.2.9",
+    "urllib3>=2.2.2",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest",
+    "pytest-asyncio",
+    "types-redis",
+    "types-requests",
+]
+
+[project.scripts]
+pcapis = "pccommon.cli:cli"
+
+[tool.hatch.version]
+path = "pccommon/version.py"
+
+[tool.hatch.build.targets.sdist]
+include = [
+    "/pccommon",
+]
diff --git a/pccommon/requirements.txt b/pccommon/requirements.txt
index e1832b0b..0584ae14 100644
--- a/pccommon/requirements.txt
+++ b/pccommon/requirements.txt
@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.9
 # by the following command:
 #
-#    pip-compile --extra=server --output-file=pccommon/requirements.txt ./pccommon/setup.py
+#    pip-compile --extra=server --output-file=pccommon/requirements.txt ./pccommon/pyproject.toml
 #
 annotated-types==0.7.0
     # via pydantic
@@ -17,19 +17,19 @@ azure-core==1.30.2
     #   azure-storage-blob
     #   opencensus-ext-azure
 azure-data-tables==12.5.0
-    # via pccommon (pccommon/setup.py)
+    # via pccommon (pccommon/pyproject.toml)
 azure-identity==1.16.1
     # via
     #   opencensus-ext-azure
-    #   pccommon (pccommon/setup.py)
+    #   pccommon (pccommon/pyproject.toml)
 azure-storage-blob==12.20.0
-    # via pccommon (pccommon/setup.py)
+    # via pccommon (pccommon/pyproject.toml)
 beautifulsoup4==4.12.3
     # via html-sanitizer
 cachetools==5.3.3
     # via
     #   google-auth
-    #   pccommon (pccommon/setup.py)
+    #   pccommon (pccommon/pyproject.toml)
 certifi==2024.7.4
     # via requests
 cffi==1.16.0
@@ -45,7 +45,7 @@ cryptography==42.0.8
 exceptiongroup==1.2.1
     # via anyio
 fastapi-slim==0.111.0
-    # via pccommon (pccommon/setup.py)
+    # via pccommon (pccommon/pyproject.toml)
 google-api-core==2.19.0
     # via opencensus
 google-auth==2.30.0
@@ -53,11 +53,11 @@ google-auth==2.30.0
 googleapis-common-protos==1.63.1
     # via google-api-core
 html-sanitizer==2.4.4
-    # via pccommon (pccommon/setup.py)
+    # via pccommon (pccommon/pyproject.toml)
 idna==3.7
     # via
     #   anyio
-    #   pccommon (pccommon/setup.py)
+    #   pccommon (pccommon/pyproject.toml)
     #   requests
     #   yarl
 isodate==0.6.1
@@ -71,7 +71,7 @@ lxml==5.2.2
 lxml-html-clean==0.1.0
     # via
     #   html-sanitizer
-    #   pccommon (pccommon/setup.py)
+    #   pccommon (pccommon/pyproject.toml)
 msal==1.28.1
     # via
     #   azure-identity
@@ -87,11 +87,11 @@ opencensus==0.11.4
 opencensus-context==0.1.3
     # via opencensus
 opencensus-ext-azure==1.1.13
-    # via pccommon (pccommon/setup.py)
+    # via pccommon (pccommon/pyproject.toml)
 opencensus-ext-logging==0.1.1
-    # via pccommon (pccommon/setup.py)
+    # via pccommon (pccommon/pyproject.toml)
 orjson==3.10.5
-    # via pccommon (pccommon/setup.py)
+    # via pccommon (pccommon/pyproject.toml)
 packaging==24.1
     # via msal-extensions
 portalocker==2.8.2
@@ -116,27 +116,27 @@ pycparser==2.22
 pydantic==2.7.4
     # via
     #   fastapi-slim
-    #   pccommon (pccommon/setup.py)
+    #   pccommon (pccommon/pyproject.toml)
     #   pydantic-settings
 pydantic-core==2.18.4
     # via pydantic
 pydantic-settings==2.3.3
-    # via pccommon (pccommon/setup.py)
+    # via pccommon (pccommon/pyproject.toml)
 pyhumps==3.5.3
-    # via pccommon (pccommon/setup.py)
+    # via pccommon (pccommon/pyproject.toml)
 pyjwt[crypto]==2.8.0
     # via msal
 python-dotenv==1.0.1
     # via pydantic-settings
 redis==4.6.0
-    # via pccommon (pccommon/setup.py)
+    # via pccommon (pccommon/pyproject.toml)
 requests==2.32.3
     # via
     #   azure-core
     #   google-api-core
     #   msal
     #   opencensus-ext-azure
-    #   pccommon (pccommon/setup.py)
+    #   pccommon (pccommon/pyproject.toml)
 rsa==4.9
     # via google-auth
 six==1.16.0
@@ -151,9 +151,9 @@ soupsieve==2.5
 starlette==0.37.2
     # via
     #   fastapi-slim
-    #   pccommon (pccommon/setup.py)
+    #   pccommon (pccommon/pyproject.toml)
 types-cachetools==4.2.9
-    # via pccommon (pccommon/setup.py)
+    # via pccommon (pccommon/pyproject.toml)
 typing-extensions==4.12.2
     # via
     #   anyio
@@ -166,7 +166,7 @@ typing-extensions==4.12.2
     #   starlette
 urllib3==2.2.2
     # via
-    #   pccommon (pccommon/setup.py)
+    #   pccommon (pccommon/pyproject.toml)
     #   requests
 yarl==1.9.4
     # via azure-data-tables
diff --git a/pccommon/setup.cfg b/pccommon/setup.cfg
deleted file mode 100644
index f96f74e2..00000000
--- a/pccommon/setup.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-[metadata]
-version = attr: pccommon.version.__version__
diff --git a/pccommon/setup.py b/pccommon/setup.py
deleted file mode 100644
index 66e771f0..00000000
--- a/pccommon/setup.py
+++ /dev/null
@@ -1,43 +0,0 @@
-"""Setup for pccommon."""
-
-from setuptools import find_packages, setup
-
-# Runtime requirements.
-inst_reqs = [
-    "fastapi-slim==0.111.0",
-    "starlette>=0.37.2,<0.38.0",
-    "opencensus-ext-azure==1.1.13",
-    "opencensus-ext-logging==0.1.1",
-    "orjson>=3.10.4",
-    "azure-identity==1.16.1",
-    "azure-data-tables==12.5.0",
-    "azure-storage-blob>=12.20.0",
-    "pydantic>=2.7,<2.8.0",
-    "pydantic-settings>=2.3,<2.4",
-    "cachetools~=5.3",
-    "types-cachetools==4.2.9",
-    "pyhumps==3.5.3",
-    "redis==4.6.0",
-    "requests==2.32.3",
-    "idna>=3.7.0",
-    "html-sanitizer==2.4.4",
-    # Soon available as lxml[html_clean]
-    "lxml_html_clean==0.1.0",
-    "urllib3>=2.2.2",
-]
-
-extra_reqs = {
-    "dev": ["pytest", "pytest-asyncio", "types-redis", "types-requests"],
-}
-
-setup(
-    name="pccommon",
-    python_requires=">=3.7",
-    description="Planetary Computer API - Common.",
-    packages=find_packages(exclude=["tests"]),
-    include_package_data=True,
-    zip_safe=False,
-    install_requires=inst_reqs,
-    extras_require=extra_reqs,
-    entry_points={"console_scripts": ["pcapis=pccommon.cli:cli"]},
-)
diff --git a/scripts/generate-requirements b/scripts/generate-requirements
index c6b442aa..30b21a54 100755
--- a/scripts/generate-requirements
+++ b/scripts/generate-requirements
@@ -31,4 +31,4 @@ docker compose \
     -f docker-compose.dev.yml \
     run --rm \
     tiler-dev \
-    pip-compile ./pccommon/setup.py --extra server -o pccommon/requirements.txt $pip_compile_options
+    pip-compile ./pccommon/pyproject.toml --extra server -o pccommon/requirements.txt $pip_compile_options