diff --git a/hsclient/__init__.py b/hsclient/__init__.py
index 1f186a4..f0dfeaf 100644
--- a/hsclient/__init__.py
+++ b/hsclient/__init__.py
@@ -1,3 +1,6 @@
+# Version information
+__version__ = "1.1.6"
+
 from hsclient.hydroshare import (
     Aggregation,
     File,
diff --git a/hsclient/hydroshare.py b/hsclient/hydroshare.py
index 59ef710..8dc5ba6 100644
--- a/hsclient/hydroshare.py
+++ b/hsclient/hydroshare.py
@@ -53,8 +53,7 @@
 from hsclient.oauth2_model import Token
 from hsclient.utils import attribute_filter, encode_resource_url, is_aggregation, main_file_type
 
-import pkg_resources  # part of setuptools
-VERSION = pkg_resources.get_distribution(__package__).version
+from hsclient import __version__ as VERSION
 
 CHECK_TASK_PING_INTERVAL = 10
 
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..cf3897a
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,96 @@
+[build-system]
+requires = ["setuptools>=61", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "hsclient"
+dynamic = ["version"]
+description = "A python client for managing HydroShare resources"
+readme = "README.md"
+license = "MIT"
+requires-python = ">=3.9"
+authors = [
+    {name = "Scott Black", email = "scott.black@usu.edu"},
+]
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.14",
+]
+dependencies = [
+    "hsmodels>=1.0.4",
+    "requests",
+    "requests_oauthlib",
+]
+
+[project.urls]
+Homepage = "https://github.com/hydroshare/hsclient"
+
+[project.optional-dependencies]
+pandas = ["pandas"]
+xarray = ["netCDF4", "xarray"]
+rasterio = ["rasterio"]
+fiona = ["fiona"]
+all = ["pandas", "netCDF4", "xarray", "rasterio", "fiona"]
+dev = [
+    "pandas", "netCDF4", "xarray", "rasterio", "fiona",
+    "pytest", "pytest-xdist", "pytest-cov",
+    "mkdocs", "mknotebooks", "mkdocstrings", "mkdocstrings-python",
+]
+
+[tool.setuptools]
+packages = {find = {include = ["hsclient", "hsclient.*"], exclude = ["tests"]}}
+
+[tool.setuptools.dynamic]
+version = {attr = "hsclient.__version__"}
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+
+[tool.flake8]
+max-line-length = 120
+max-complexity = 14
+inline-quotes = "single"
+multiline-quotes = "double"
+
+[tool.isort]
+line_length = 120
+known_first_party = "hsclient"
+multi_line_output = 3
+include_trailing_comma = true
+force_grid_wrap = 0
+combine_as_imports = true
+
+[tool.coverage.run]
+source = ["hsclient"]
+branch = true
+
+[tool.coverage.report]
+precision = 2
+
+[tool.mypy]
+show_error_codes = true
+follow_imports = "silent"
+strict_optional = true
+warn_redundant_casts = true
+warn_unused_ignores = true
+disallow_any_generics = true
+check_untyped_defs = true
+no_implicit_reexport = true
+warn_unused_configs = true
+disallow_subclassing_any = true
+disallow_incomplete_defs = true
+disallow_untyped_decorators = true
+disallow_untyped_calls = true
+disallow_untyped_defs = true
+
+[[tool.mypy.overrides]]
+module = "email_validator"
+ignore_missing_imports = true
+
+[[tool.mypy.overrides]]
+module = "dotenv"
+ignore_missing_imports = true
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 19ca9b7..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,51 +0,0 @@
-[tool:pytest]
-testpaths = tests
-
-[flake8]
-max-line-length = 120
-max-complexity = 14
-inline-quotes = single
-multiline-quotes = double
-
-[coverage:run]
-source = pydantic
-branch = True
-
-[coverage:report]
-precision = 2
-
-[isort]
-line_length=120
-known_first_party=hsclient
-multi_line_output=3
-include_trailing_comma=True
-force_grid_wrap=0
-combine_as_imports=True
-
-[mypy]
-show_error_codes = True
-follow_imports = silent
-strict_optional = True
-warn_redundant_casts = True
-warn_unused_ignores = True
-disallow_any_generics = True
-check_untyped_defs = True
-no_implicit_reexport = True
-warn_unused_configs = True
-disallow_subclassing_any = True
-disallow_incomplete_defs = True
-disallow_untyped_decorators = True
-disallow_untyped_calls = True
-
-# for strict mypy: (this is the tricky one :-))
-disallow_untyped_defs = True
-
-# remaining arguments from `mypy --strict` which cause errors
-;no_implicit_optional = True
-;warn_return_any = True
-
-[mypy-email_validator]
-ignore_missing_imports = true
-
-[mypy-dotenv]
-ignore_missing_imports = true
\ No newline at end of file
diff --git a/setup.py b/setup.py
deleted file mode 100644
index a3868da..0000000
--- a/setup.py
+++ /dev/null
@@ -1,43 +0,0 @@
-import pathlib
-from setuptools import setup, find_packages
-
-README = (pathlib.Path(__file__).parent / "README.md").read_text()
-
-extra_deps = ["pandas", "netCDF4", "xarray", "rasterio", "fiona"]
-dev_deps = ["pytest", "pytest-xdist", "pytest-cov", "mkdocs", "mknotebooks", "mkdocstrings", "mkdocstrings-python"]
-
-setup(
-    name='hsclient',
-    version='1.1.6',
-    packages=find_packages(include=['hsclient', 'hsclient.*'],
-                           exclude=("tests",)),
-    install_requires=[
-        'hsmodels>=1.0.4',
-        'requests',
-        'requests_oauthlib',
-        'setuptools',
-    ],
-    extras_require={
-        "pandas": ["pandas"],
-        "xarray": ["netCDF4", "xarray"],
-        "rasterio": ["rasterio"],
-        "fiona": ["fiona"],
-        "all": extra_deps,
-        "dev": extra_deps + dev_deps,
-    },
-    url='https://github.com/hydroshare/hsclient',
-    license='MIT',
-    author='Scott Black',
-    author_email='scott.black@usu.edu',
-    description='A python client for managing HydroShare resources',
-    python_requires='>=3.9',
-    long_description=README,
-    long_description_content_type="text/markdown",
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-    ],
-)