diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c4e5428..5fe4a22 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,8 +20,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - python-version: "3.8"
-            numpy-version: "~=1.19.0"
           - python-version: "3.12"
             numpy-version: "~=1.26.0"
         python-version: ["3.9", "3.10", "3.11"]
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 6d2b1fc..adfaeb6 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -10,16 +10,23 @@
 #
 # All configuration values have a default; values that are commented out
 # serve to show the default.
+from datetime import datetime
+from pathlib import Path
 
-import sys, os
+if sys.version_info < (3, 11):
+     import tomli as tomllib
+ else:
+     import tomllib
 from stsci.sphinxext.conf import *
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-#sys.path.append(os.path.abspath('.'))
+# sys.path.append(os.path.abspath('.'))
 
 # -- General configuration -----------------------------------------------------
+with open(Path(__file__).parent.parent.parent / "pyproject.toml", "rb") as metadata_file:
+    metadata = tomli.load(metadata_file)['project']
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
@@ -33,14 +40,15 @@
 source_suffix = '.rst'
 
 # The encoding of source files.
-#source_encoding = 'utf-8'
+# source_encoding = 'utf-8'
 
 # The master toctree document.
 master_doc = 'index'
 
 # General information about the project.
-project = u'image'
-copyright = u'2012, STScI'
+project = metadata['name']
+author = f'{metadata["authors"][0]["name"]} <{metadata["authors"][0]["email"]}>'
+copyright = f'{datetime.today().year}, {author}'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -53,71 +61,71 @@
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
-#language = None
+# language = None
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
-#today = ''
+# today = ''
 # Else, today_fmt is used as the format for a strftime call.
-#today_fmt = '%B %d, %Y'
+# today_fmt = '%B %d, %Y'
 
 # List of documents that shouldn't be included in the build.
-#unused_docs = []
+# unused_docs = []
 
 # List of directories, relative to source directory, that shouldn't be searched
 # for source files.
 exclude_trees = []
 
 # The reST default role (used for this markup: `text`) to use for all documents.
-#default_role = None
+# default_role = None
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
-#add_function_parentheses = True
+# add_function_parentheses = True
 
 # If true, the current module name will be prepended to all description
 # unit titles (such as .. function::).
-#add_module_names = True
+# add_module_names = True
 
 # If true, sectionauthor and moduleauthor directives will be shown in the
 # output. They are ignored by default.
-#show_authors = False
+# show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
 pygments_style = 'sphinx'
 
 # A list of ignored prefixes for module index sorting.
-#modindex_common_prefix = []
+# modindex_common_prefix = []
 
 
 # -- Options for HTML output ---------------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  Major themes that come with
 # Sphinx are currently 'default' and 'sphinxdoc'.
-#html_theme = 'default'
+# html_theme = 'default'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
-#html_theme_options = {}
+# html_theme_options = {}
 
 # Add any paths that contain custom themes here, relative to this directory.
-#html_theme_path = []
+# html_theme_path = []
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
-#html_title = None
+# html_title = None
 
 # A shorter title for the navigation bar.  Default is the same as html_title.
-#html_short_title = None
+# html_short_title = None
 
 # The name of an image file (relative to this directory) to place at the top
 # of the sidebar.
-#html_logo = None
+# html_logo = None
 
 # The name of an image file (within the static path) to use as favicon of the
 # docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
 # pixels large.
-#html_favicon = None
+# html_favicon = None
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
@@ -126,74 +134,73 @@
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
+# html_last_updated_fmt = '%b %d, %Y'
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
-#html_use_smartypants = True
+# html_use_smartypants = True
 
 # Custom sidebar templates, maps document names to template names.
-#html_sidebars = {}
+# html_sidebars = {}
 
 # Additional templates that should be rendered to pages, maps page names to
 # template names.
-#html_additional_pages = {}
+# html_additional_pages = {}
 
 # If false, no module index is generated.
-#html_use_modindex = True
+# html_use_modindex = True
 
 # If false, no index is generated.
-#html_use_index = True
+# html_use_index = True
 
 # If true, the index is split into individual pages for each letter.
-#html_split_index = False
+# html_split_index = False
 
 # If true, links to the reST sources are added to the pages.
-#html_show_sourcelink = True
+# html_show_sourcelink = True
 
 # If true, an OpenSearch description file will be output, and all pages will
 # contain a <link> tag referring to it.  The value of this option must be the
 # base URL from which the finished HTML is served.
-#html_use_opensearch = ''
+# html_use_opensearch = ''
 
 # If nonempty, this is the file name suffix for HTML files (e.g. ".xhtml").
-#html_file_suffix = ''
+# html_file_suffix = ''
 
 # Output file base name for HTML help builder.
 htmlhelp_basename = 'imagedoc'
 
-
 # -- Options for LaTeX output --------------------------------------------------
 
 # The paper size ('letter' or 'a4').
-#latex_paper_size = 'letter'
+# latex_paper_size = 'letter'
 
 # The font size ('10pt', '11pt' or '12pt').
-#latex_font_size = '10pt'
+# latex_font_size = '10pt'
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass [howto/manual]).
 latex_documents = [
-  ('index', 'image.tex', u'Image Documentation',
-   u'STScI', 'manual'),
+    ('index', 'image.tex', u'Image Documentation',
+     u'STScI', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
 # the title page.
-#latex_logo = None
+# latex_logo = None
 
 # For "manual" documents, if this is true, then toplevel headings are parts,
 # not chapters.
-#latex_use_parts = False
+# latex_use_parts = False
 
 # Additional stuff for the LaTeX preamble.
-#latex_preamble = ''
+# latex_preamble = ''
 
 # Documents to append as an appendix to all manuals.
-#latex_appendices = []
+# latex_appendices = []
 
 # If false, no module index is generated.
-#latex_use_modindex = True
+# latex_use_modindex = True
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
diff --git a/pyproject.toml b/pyproject.toml
index 3f1ce5a..11b16ea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,10 +1,56 @@
+[project]
+name = "stsci.image"
+description = "Image array manipulation functions"
+readme = "README.md"
+requires-python = ">=3.9"
+license = { file = "LICENSE" }
+authors = [{ name = "STScI", email = "help@stsci.edu" }]
+classifiers = [
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Topic :: Scientific/Engineering :: Astronomy",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+]
+dependencies = [
+    "numpy",
+    "scipy",
+]
+dynamic = ['version']
+
+[project.optional-dependencies]
+test = [
+    'pytest',
+]
+docs = [
+    'numpydoc',
+    'sphinx',
+    'sphinx-automodapi',
+    'sphinx-rtd-theme',
+    'stsci-rtd-theme',
+    'tomli; python_version <"3.11"',
+]
+
+[project.urls]
+'repository' = 'https://github.com/spacetelescope/stsci.image'
+
 [build-system]
 requires = [
-    "setuptools>=42",
-    "setuptools_scm",
+    "setuptools >=61.2",
+    "setuptools_scm[toml] >=6.2",
     "wheel",
-    "oldest-supported-numpy; python_version>='3.7'",
-    ]
+    "oldest-supported-numpy",
+]
 build-backend = "setuptools.build_meta"
 
+[tool.setuptools]
+zip-safe = false
+
+[tool.setuptools.packages.find]
+include = ['stsci']
+
+[tool.setuptools.package-data]
+"*" = ["LICENSE.txt"]
+
 [tool.setuptools_scm]
diff --git a/setup.py b/setup.py
index 094deb3..b8241cf 100755
--- a/setup.py
+++ b/setup.py
@@ -1,40 +1,13 @@
-from setuptools import setup, find_packages, Extension
 from numpy import get_include as np_include
+from setuptools import setup, Extension
+
+ext_modules = [
+    Extension('stsci.image._combine',
+              ['src/_combinemodule.c'],
+              include_dirs=[np_include()],
+              define_macros=[('NUMPY', '1')]),
+]
 
 setup(
-    name='stsci.image',
-    author='STScI',
-    author_email='help@stsci.edu',
-    description='Image array manipulation functions',
-    url='https://github.com/spacetelescope/stsci.image',
-    classifiers=[
-        'Intended Audience :: Science/Research',
-        'License :: OSI Approved :: BSD License',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python',
-        'Topic :: Scientific/Engineering :: Astronomy',
-        'Topic :: Software Development :: Libraries :: Python Modules',
-    ],
-    install_requires=[
-        'numpy>=1.14',
-        'scipy',
-    ],
-    python_requires='>=3.7',
-    packages=find_packages(),
-    package_data={
-        '': ['LICENSE.txt'],
-    },
-    ext_modules=[
-        Extension('stsci.image._combine',
-                  ['src/_combinemodule.c'],
-                  include_dirs=[np_include()],
-                  define_macros=[('NUMPY', '1')]),
-    ],
-    use_scm_version=True,
-    setup_requires=['setuptools_scm'],
-    extras_require={
-        "test": [
-            "pytest"
-        ]
-    }
+    ext_modules=ext_modules,
 )