diff --git a/.github/workflows/python-ci.yml b/.github/workflows/python-ci.yml
index 3e1ee9689..6e23c61d2 100644
--- a/.github/workflows/python-ci.yml
+++ b/.github/workflows/python-ci.yml
@@ -51,7 +51,7 @@ jobs:
         with:
           python-version: 3.8
           cache: "pip"
-          cache-dependency-path: "setup.py"
+          cache-dependency-path: "pyproject.toml"
       - name: Install testing dependencies
         run: |
           python -m pip install --upgrade pip
diff --git a/_delphi_utils_python/.bumpversion.cfg b/_delphi_utils_python/.bumpversion.cfg
index 722a91e30..af22c56eb 100644
--- a/_delphi_utils_python/.bumpversion.cfg
+++ b/_delphi_utils_python/.bumpversion.cfg
@@ -4,6 +4,6 @@ commit = True
 message = chore: bump delphi_utils to {new_version}
 tag = False
 
-[bumpversion:file:setup.py]
+[bumpversion:file:pyproject.toml]
 
 [bumpversion:file:delphi_utils/__init__.py]
diff --git a/_delphi_utils_python/DEVELOP.md b/_delphi_utils_python/DEVELOP.md
index 2407e29a8..53ffde93f 100644
--- a/_delphi_utils_python/DEVELOP.md
+++ b/_delphi_utils_python/DEVELOP.md
@@ -9,7 +9,7 @@ To install the module in your default version of Python, run the
 following from this directory:
 
 ```
-pip install .
+pip install -e '.[dev]'
 ```
 
 As described in each of the indicator code directories, you will want to install
diff --git a/_delphi_utils_python/Makefile b/_delphi_utils_python/Makefile
index 79d7f7943..4249528d9 100644
--- a/_delphi_utils_python/Makefile
+++ b/_delphi_utils_python/Makefile
@@ -6,12 +6,12 @@ venv:
 install: venv
 	. env/bin/activate; \
 	pip install wheel ; \
-	pip install -e .
+	pip install -e '.[dev]'
 
 install-ci: venv
 	. env/bin/activate; \
-	pip install wheel ; \
-	pip install .
+	pip install 'build[virtualenv]' pylint pytest pydocstyle wheel twine ; \
+	pip install '.[dev]'
 
 lint:
 	. env/bin/activate; pylint delphi_utils --rcfile=../pyproject.toml
@@ -30,4 +30,5 @@ clean:
 
 release: lint test
 	. env/bin/activate ; \
-	python setup.py sdist bdist_wheel
+	pip install 'build[virtualenv]' ; \
+    python -m build --sdist --wheel
\ No newline at end of file
diff --git a/_delphi_utils_python/pyproject.toml b/_delphi_utils_python/pyproject.toml
new file mode 100644
index 000000000..6ca3d98b7
--- /dev/null
+++ b/_delphi_utils_python/pyproject.toml
@@ -0,0 +1,60 @@
+[build-system]
+requires = ["setuptools", "setuptools-scm>=8.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "delphi-utils"
+version = "0.3.24"
+description = "Shared Utility Functions for Indicators"
+readme = "README.md"
+requires-python = "== 3.8.*"
+license = {text = "MIT License"}
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "Programming Language :: Python :: 3.8",
+    "License :: MIT"
+]
+dependencies = [
+    "boto3",
+    "covidcast",
+    "cvxpy",
+    "epiweeks",
+    "gitpython",
+    "importlib_resources>=1.3",
+    "numpy",
+    "pandas>=1.1.0",
+    "slackclient",
+    "scs<3.2.6", # TODO: remove this ; it is a cvxpy dependency, and the excluded version appears to break our jenkins build. see: https://github.com/cvxgrp/scs/issues/283
+    "structlog",
+    "xlrd",
+]
+
+[project.urls]
+Homepage = "https://github.com/cmu-delphi/covidcast-indicators"
+
+
+[project.optional-dependencies]
+dev = [
+    "darker[isort]~=2.1.1",
+    "pylint==2.8.3",
+    "pytest",
+    "pydocstyle",
+    "pytest-cov",
+    "mock",
+    "moto~=4.2.14",
+    "requests-mock",
+    "freezegun",
+]
+
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["delphi_utils"]
+namespaces = true
+
+[tool.setuptools.package-data]
+"delphi_utils.data" = ["20*/*.csv"]
+
+
+
diff --git a/_delphi_utils_python/setup.py b/_delphi_utils_python/setup.py
deleted file mode 100644
index 3dee89b53..000000000
--- a/_delphi_utils_python/setup.py
+++ /dev/null
@@ -1,48 +0,0 @@
-from setuptools import setup
-from setuptools import find_packages
-
-with open("README.md", "r") as f:
-    long_description = f.read()
-
-required = [
-    "boto3",
-    "covidcast",
-    "cvxpy",
-    "scs<3.2.6", # TODO: remove this ; it is a cvxpy dependency, and the excluded version appears to break our jenkins build. see: https://github.com/cvxgrp/scs/issues/283
-    "darker[isort]~=2.1.1",
-    "epiweeks",
-    "freezegun",
-    "gitpython",
-    "importlib_resources>=1.3",
-    "mock",
-    "moto~=4.2.14",
-    "numpy",
-    "pandas>=1.1.0",
-    "pydocstyle",
-    "pylint==2.8.3",
-    "pytest-cov",
-    "pytest",
-    "requests-mock",
-    "slackclient",
-    "structlog",
-    "xlrd"
-]
-
-setup(
-    name="delphi_utils",
-    version="0.3.24",
-    description="Shared Utility Functions for Indicators",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    author="",
-    author_email="",
-    url="https://github.com/cmu-delphi/",
-    install_requires=required,
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "Intended Audience :: Developers",
-        "Programming Language :: Python :: 3.8",
-    ],
-    packages=find_packages(),
-    package_data={'': ['data/20*/*.csv']}
-)
diff --git a/changehc/Makefile b/changehc/Makefile
index 390113eef..1934c9864 100644
--- a/changehc/Makefile
+++ b/changehc/Makefile
@@ -13,7 +13,7 @@ install: venv
 install-ci: venv
 	. env/bin/activate; \
 	pip install wheel ; \
-	pip install ../_delphi_utils_python ;\
+	pip install '../_delphi_utils_python[dev]' ;\
 	pip install .
 
 lint:
diff --git a/claims_hosp/Makefile b/claims_hosp/Makefile
index 390113eef..1934c9864 100644
--- a/claims_hosp/Makefile
+++ b/claims_hosp/Makefile
@@ -13,7 +13,7 @@ install: venv
 install-ci: venv
 	. env/bin/activate; \
 	pip install wheel ; \
-	pip install ../_delphi_utils_python ;\
+	pip install '../_delphi_utils_python[dev]' ;\
 	pip install .
 
 lint:
diff --git a/doctor_visits/Makefile b/doctor_visits/Makefile
index 390113eef..1934c9864 100644
--- a/doctor_visits/Makefile
+++ b/doctor_visits/Makefile
@@ -13,7 +13,7 @@ install: venv
 install-ci: venv
 	. env/bin/activate; \
 	pip install wheel ; \
-	pip install ../_delphi_utils_python ;\
+	pip install '../_delphi_utils_python[dev]' ;\
 	pip install .
 
 lint:
diff --git a/google_symptoms/Makefile b/google_symptoms/Makefile
index 6884278cf..15c428849 100644
--- a/google_symptoms/Makefile
+++ b/google_symptoms/Makefile
@@ -13,7 +13,7 @@ install: venv
 install-ci: venv
 	. env/bin/activate; \
 	pip install wheel ; \
-	pip install ../_delphi_utils_python ;\
+	pip install '../_delphi_utils_python[dev]' ;\
 	pip install .
 
 lint:
diff --git a/hhs_hosp/Makefile b/hhs_hosp/Makefile
index 69529feb7..5ae0527d7 100644
--- a/hhs_hosp/Makefile
+++ b/hhs_hosp/Makefile
@@ -13,7 +13,7 @@ install: venv
 install-ci: venv
 	. env/bin/activate; \
 	pip install wheel ; \
-	pip install ../_delphi_utils_python ;\
+	pip install '../_delphi_utils_python[dev]' ;\
 	pip install .
 
 lint:
diff --git a/nchs_mortality/Makefile b/nchs_mortality/Makefile
index 390113eef..1934c9864 100644
--- a/nchs_mortality/Makefile
+++ b/nchs_mortality/Makefile
@@ -13,7 +13,7 @@ install: venv
 install-ci: venv
 	. env/bin/activate; \
 	pip install wheel ; \
-	pip install ../_delphi_utils_python ;\
+	pip install '../_delphi_utils_python[dev]' ;\
 	pip install .
 
 lint:
diff --git a/nchs_mortality/setup.py b/nchs_mortality/setup.py
index 3fe354ba4..142db6f35 100644
--- a/nchs_mortality/setup.py
+++ b/nchs_mortality/setup.py
@@ -2,10 +2,12 @@
 from setuptools import find_packages
 
 required = [
+    "boto3",
     "darker[isort]~=2.1.1",
     "delphi-utils",
     "epiweeks",
     "freezegun",
+    "moto~=4.2.14",
     "numpy",
     "pandas",
     "pydocstyle",
diff --git a/nssp/Makefile b/nssp/Makefile
index 390113eef..1934c9864 100644
--- a/nssp/Makefile
+++ b/nssp/Makefile
@@ -13,7 +13,7 @@ install: venv
 install-ci: venv
 	. env/bin/activate; \
 	pip install wheel ; \
-	pip install ../_delphi_utils_python ;\
+	pip install '../_delphi_utils_python[dev]' ;\
 	pip install .
 
 lint:
diff --git a/nwss_wastewater/Makefile b/nwss_wastewater/Makefile
index 390113eef..1934c9864 100644
--- a/nwss_wastewater/Makefile
+++ b/nwss_wastewater/Makefile
@@ -13,7 +13,7 @@ install: venv
 install-ci: venv
 	. env/bin/activate; \
 	pip install wheel ; \
-	pip install ../_delphi_utils_python ;\
+	pip install '../_delphi_utils_python[dev]' ;\
 	pip install .
 
 lint:
diff --git a/quidel_covidtest/Makefile b/quidel_covidtest/Makefile
index 390113eef..1934c9864 100644
--- a/quidel_covidtest/Makefile
+++ b/quidel_covidtest/Makefile
@@ -13,7 +13,7 @@ install: venv
 install-ci: venv
 	. env/bin/activate; \
 	pip install wheel ; \
-	pip install ../_delphi_utils_python ;\
+	pip install '../_delphi_utils_python[dev]' ;\
 	pip install .
 
 lint:
diff --git a/quidel_covidtest/setup.py b/quidel_covidtest/setup.py
index c2791930f..c579da79e 100644
--- a/quidel_covidtest/setup.py
+++ b/quidel_covidtest/setup.py
@@ -2,6 +2,7 @@
 from setuptools import find_packages
 
 required = [
+    "boto3",
     "covidcast",
     "darker[isort]~=2.1.1",
     "delphi-utils",
diff --git a/sir_complainsalot/Makefile b/sir_complainsalot/Makefile
index 390113eef..1934c9864 100644
--- a/sir_complainsalot/Makefile
+++ b/sir_complainsalot/Makefile
@@ -13,7 +13,7 @@ install: venv
 install-ci: venv
 	. env/bin/activate; \
 	pip install wheel ; \
-	pip install ../_delphi_utils_python ;\
+	pip install '../_delphi_utils_python[dev]' ;\
 	pip install .
 
 lint: