diff --git a/.circleci/config.yml b/.circleci/config.yml
index fbf8a31..7f163a2 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -36,7 +36,7 @@ jobs:
           command: |
             apt update
             apt-get update --yes && apt-get upgrade --yes
-            apt-get install --yes wget
+            apt-get install --yes wget git
             # download and install miniconda3
             mkdir -p ${HOME}/tools
             cd ${HOME}/tools
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..1230149
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
diff --git a/.github/workflows/build-and-publish-to-pypi.yml b/.github/workflows/build-and-publish-to-pypi.yml
new file mode 100644
index 0000000..6c1fb14
--- /dev/null
+++ b/.github/workflows/build-and-publish-to-pypi.yml
@@ -0,0 +1,101 @@
+name: Publish 📦 to PyPI
+
+# Build on every branch push, tag push, and pull request change:
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - v*
+  pull_request:
+
+jobs:
+  build_wheels:
+    name: Build Python 🐍 wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-20.04, macos-11]  #windows-2019
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Provide gfortran (macOS)
+        if: runner.os == 'macOS'
+        run: |
+          # https://github.com/actions/virtual-environments/issues/2524
+          # https://github.com/cbg-ethz/dce/blob/master/.github/workflows/pkgdown.yaml
+          sudo ln -s /usr/local/bin/gfortran-11 /usr/local/bin/gfortran
+          sudo mkdir /usr/local/gfortran
+          sudo ln -s /usr/local/Cellar/gcc@11/*/lib/gcc/11 /usr/local/gfortran/lib
+          gfortran --version
+
+      - name: Provide gfortran (Windows)
+        if: runner.os == 'Windows'
+        uses: msys2/setup-msys2@v2
+
+      - name: Tell distutils to use mingw (Windows)
+        if: runner.os == 'Windows'
+        run: |
+          echo "[build]`ncompiler=mingw32" | Out-File -Encoding ASCII ~/pydistutils.cfg
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v2.11.2
+        env:
+          # Disable building for PyPy and 32bit.
+          CIBW_SKIP: pp* *-win32 *-manylinux_i686
+          # Package the DLL dependencies in the wheel for windows (done by default for the other platforms).
+          # delvewheel cannot mangle the libraries, stripping does not work.
+          CIBW_BEFORE_BUILD_WINDOWS: pip install delvewheel
+          CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: "delvewheel show {wheel} && delvewheel repair -w {dest_dir} {wheel} --no-mangle-all"
+
+      - uses: actions/upload-artifact@v3
+        with:
+          path: ./wheelhouse/*.whl
+
+  build_sdist:
+    name: Build Python 🐍 source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Build sdist
+        run: pipx run build --sdist
+
+      - uses: actions/upload-artifact@v3
+        with:
+          path: dist/*.tar.gz
+
+  upload_pypi:
+    needs: [build_wheels, build_sdist]
+    runs-on: ubuntu-latest
+    if: github.repository_owner == 'insarlab' && github.event_name == 'push'
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          # unpacks default artifact into dist/
+          # if `name: artifact` is omitted, the action will create extra parent dir
+          name: artifact
+          path: dist
+
+      - name: Publish developed version 📦 to Test PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1.5.0
+        with:
+          user: __token__
+          password: ${{ secrets.TEST_PYPI_API_TOKEN }}
+          repository_url: https://test.pypi.org/legacy/
+          skip_existing: false
+          verbose: true
+
+      - name: Publish released version 📦 to PyPI
+        uses: pypa/gh-action-pypi-publish@v1.5.0
+        if: startsWith(github.ref, 'refs/tags/v')
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}
+          verbose: true
diff --git a/.github/workflows/publish-to-test-pypi.yml b/.github/workflows/publish-to-test-pypi.yml
deleted file mode 100644
index 942ffef..0000000
--- a/.github/workflows/publish-to-test-pypi.yml
+++ /dev/null
@@ -1,72 +0,0 @@
-# link: https://packaging.python.org/en/latest/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/
-name: publish distributions 📦 to PyPI and TestPyPI
-
-on:
-  push:
-    branches:
-      - main
-    tags:
-      - v*
-
-# activate miniconda environment
-# link: https://github.com/marketplace/actions/provision-with-micromamba#IMPORTANT
-defaults:
-  run:
-    shell: bash -l {0}
-
-jobs:
-  build-n-publish:
-    if: github.repository_owner == 'insarlab'
-
-    name: Build and publish Python 🐍 distributions 📦 to PyPI and TestPyPI
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3
-      with:
-        fetch-depth: 0
-
-    - name: Set up Python 3.10
-      uses: actions/setup-python@v3
-      with:
-        python-version: "3.10"
-
-    # link: https://github.com/marketplace/actions/provision-with-micromamba
-    - name: Install Conda environment with Micromamba
-      uses: mamba-org/provision-with-micromamba@main
-      with:
-        environment-file: environment.yml
-
-    - name: Install pypa/build
-      run: >-
-        python -m
-        pip install
-        build
-        --user
-
-    - name: Build a binary wheel and a source tarball
-      run: >-
-        python -m
-        build
-        --sdist
-        --no-isolation    # not install in an isolated environment
-        --outdir dist/
-        .
-        # skip due to the bad request error from pypi:
-        # binary wheel has an unsupported platform tag 'linux_x86_64'
-        #--wheel
-
-    - name: Publish developed version 📦 to Test PyPI
-      if: startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main'
-      uses: pypa/gh-action-pypi-publish@release/v1
-      with:
-        password: ${{ secrets.TEST_PYPI_API_TOKEN }}
-        repository_url: https://test.pypi.org/legacy/
-        skip_existing: false
-        verbose: true
-
-    - name: Publish released version 📦 to PyPI
-      if: startsWith(github.ref, 'refs/tags/v')
-      uses: pypa/gh-action-pypi-publish@release/v1
-      with:
-        password: ${{ secrets.PYPI_API_TOKEN }}
-        verbose: true
diff --git a/README.md b/README.md
index 78bb1d0..6775861 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ or via `apt` (or other package managers) for [Debian-derivative OS](https://wiki
 apt install python3-pysolid
 ```
 
-Installing via `conda` and `apt` is recomended because PySolid contains Fortran source code, which required compilcation. Otherwise, you may build it from source as described below.
+Installing via `conda` and `apt` is recommended because PySolid contains Fortran source code, which required compilation. Otherwise, you may build it from source as described below.
 
 #### 1.1 Build from source
 
@@ -56,10 +56,14 @@ python -m pip install -r PySolid/requirements.txt
 
 ```bash
 # option 1: use pip to install pysolid into the current environment
-# use "pip install -e" to install in the development mode
 python -m pip install PySolid
 
-# option 2: manually compile the Fortran code and setup environment variable
+# option 2: use pip to install pysolid in develop mode (editable) into the current environment
+# setting an environmental variable as below is required for editable installs via pyproject.toml
+export SETUPTOOLS_ENABLE_FEATURES="legacy-editable"
+python -m pip install -e PySolid
+
+# option 3: manually compile the Fortran code and setup environment variable
 cd PySolid/src/pysolid
 f2py -c -m solid solid.for
 export PYTHONPATH=${PYTHONPATH}:~/tools/PySolid
diff --git a/environment.yml b/environment.yml
index b21dec6..8f069af 100644
--- a/environment.yml
+++ b/environment.yml
@@ -3,8 +3,15 @@ channels:
   - conda-forge
   - defaults
 dependencies:
+  - python>=3.8
+  # for running
   - numpy
   - scipy
   - matplotlib
   - scikit-image
-  - fortran-compiler    # A generic way to obtain the Fortran compiler across platforms through conda-forge channel
+  # for packaging and installation
+  - fortran-compiler    # Fortran compiler across platforms through conda-forge channel
+  - pip
+  - setuptools
+  - setuptools_scm
+  - wheel
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..f8152fd
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,49 @@
+[build-system]
+requires = ["setuptools>=61.0", "setuptools_scm[toml]>=6.2", "numpy", "wheel"]
+
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "pysolid"
+authors = [
+    {name="Zhang Yunjun", email="yunjunzgeo@gmail.com"},
+    {name="Dennis Milbert"},
+]
+description = "A Python wrapper for solid to compute solid Earth tides"
+readme = "README.md"
+requires-python = ">=3.8"
+keywords = ["solid Earth tides", "deformation", "geodesy", "geophysics"]
+license = {text = "GPL-3.0-or-later"}
+classifiers=[
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Science/Research",
+    "Topic :: Scientific/Engineering",
+    "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3",
+]
+dependencies = [
+    "numpy",
+    "scipy",
+    "matplotlib",
+    "scikit-image",
+]
+dynamic = ["version"]
+
+[project.urls]
+"Homepage" = "https://github.com/insarlab/PySolid"
+"Bug Tracker" = "https://github.com/insarlab/PySolid/issues"
+
+[tool.setuptools]
+include-package-data = true
+zip-safe = false
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.setuptools.package-data]
+pysolid = ["*.for"]
+
+[tool.setuptools_scm]
+version_scheme = "post-release"
+local_scheme = "no-local-version"
diff --git a/requirements.txt b/requirements.txt
index 2aa8729..2a32a24 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,11 @@
+# for running
 numpy
 scipy
 matplotlib
 scikit-image
+# for packaging and installation
+#fortran-compiler   # Fortran compiler across platforms through conda-forge channel
+pip
+setuptools
+setuptools_scm
+wheel
diff --git a/setup.py b/setup.py
index f28aa09..1a4a3a6 100644
--- a/setup.py
+++ b/setup.py
@@ -1,74 +1,13 @@
 # Author: Zhang Yunjun, Jan 2021
 # Copyright 2020, by the California Institute of Technology.
-# Note by Yunjun, Oct 2022: "pip install pysolid" does not work,
-#   because a Fortran compiler is required but not available via pip
-
-
-import os
-import sys
 
 # always prefer setuptools over distutils
 import setuptools
 from numpy.distutils.core import setup, Extension
 
-# Grab from pysolid.version: version
-# link: https://stackoverflow.com/questions/53648900
-sys.path.append(os.path.join(os.path.dirname(__file__), 'src'))
-from pysolid.version import version
-
-# Grab from README file: long_description
-with open("README.md", "r") as f:
-    long_description = f.read()
-
 setup(
-    name='pysolid',
-    version=version,
-    description="A Python wrapper for solid to compute solid Earth tides",
-    url="https://github.com/insarlab/PySolid",
-    download_url=("https://github.com/insarlab/PySolid/archive/v{}.tar.gz".format(version)),
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    author="Zhang Yunjun, Dennis Milbert",
-    author_email="yunjunzgeo@gmail.com",
-    license="GPL-3.0-or-later",
-    license_files=("LICENSE",),
-
-    classifiers=[
-        "Development Status :: 4 - Beta",
-        "Intended Audience :: Science/Research",
-        "Topic :: Scientific/Engineering",
-        "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
-        "Operating System :: OS Independent",
-        "Programming Language :: Python :: 3",
-    ],
-    keywords="solid Eartth tides, deformation, geodesy, geophysics",
-
-    project_urls={
-        "Bug Reports": "https://github.com/insarlab/PySolid/issues",
-        "Source": "https://github.com/insarlab/PySolid",
-    },
-
-    # package discovery
-    packages=setuptools.find_packages("src"),  # include all packages under src
-    package_dir={"": "src"},                   # tell distutils packages are under src
-
-    # build fortran deps with numpy.f2py
+    # fortran extensions to build with numpy.f2py
     ext_modules=[
         Extension(name='pysolid.solid', sources=['src/pysolid/solid.for']),
     ],
-
-    # dependencies
-    python_requires=">=3.6",
-    install_requires=[
-        'numpy',
-        'scipy',
-        'matplotlib',
-        'scikit-image',
-    ],
-
-    # data files
-    include_package_data=True,
-    package_data={
-        "pysolid": ["solid.for"],
-    },
 )
diff --git a/src/pysolid/__init__.py b/src/pysolid/__init__.py
index 5c19a38..8093ff1 100644
--- a/src/pysolid/__init__.py
+++ b/src/pysolid/__init__.py
@@ -1,5 +1,14 @@
+from importlib.metadata import PackageNotFoundError, version
+
 # get version info
-from pysolid.version import version as __version__
+try:
+    __version__ = version(__name__)
+except PackageNotFoundError:
+    print('package is not installed!\n'
+          'Please follow the installation instructions in the README.md.\n'
+          'Or, to just get the version number, use:\n'
+          '   python -m setuptools_scm')
+
 
 # top-level functions
 from pysolid.grid import (
@@ -12,3 +21,13 @@
     plot_solid_earth_tides_point,
     plot_power_spectral_density4tides,
 )
+
+__all__ = [
+    '__version__',
+    'calc_solid_earth_tides_grid',
+    'plot_solid_earth_tides_grid',
+    'TIDES',
+    'calc_solid_earth_tides_point',
+    'plot_solid_earth_tides_point',
+    'plot_power_spectral_density4tides',
+]
diff --git a/src/pysolid/grid.py b/src/pysolid/grid.py
index 967bfd1..3920943 100644
--- a/src/pysolid/grid.py
+++ b/src/pysolid/grid.py
@@ -15,6 +15,7 @@
 import os
 
 import numpy as np
+from skimage.transform import resize
 
 
 ##################################  Earth tides - grid mode  ###################################
@@ -41,7 +42,6 @@ def calc_solid_earth_tides_grid(dt_obj, atr, step_size=1e3, display=False, verbo
     Examples:   atr = readfile.read_attribute('geo_velocity.h5')
                 tide_e, tide_n, tide_u = calc_solid_earth_tides_grid('20180219', atr)
     """
-    from skimage.transform import resize
     try:
         from pysolid.solid import solid_grid
     except ImportError:
diff --git a/src/pysolid/point.py b/src/pysolid/point.py
index adb7302..07d109a 100644
--- a/src/pysolid/point.py
+++ b/src/pysolid/point.py
@@ -16,6 +16,8 @@
 import os
 
 import numpy as np
+from matplotlib import pyplot as plt, ticker, dates as mdates
+from scipy import signal
 
 
 ## Tidal constituents
@@ -203,8 +205,6 @@ def calc_solid_earth_tides_point_per_day(lat, lon, date_str, step_sec=60):
 def plot_solid_earth_tides_point(dt_out, tide_e, tide_n, tide_u, lalo=None,
                                  out_fig=None, save=False, display=True):
     """Plot the solid Earth tides at one point."""
-    from matplotlib import pyplot as plt, dates as mdates
-
     # plot
     fig, axs = plt.subplots(nrows=3, ncols=1, figsize=[6, 4], sharex=True)
     for ax, data, label in zip(axs.flatten(),
@@ -247,9 +247,6 @@ def plot_power_spectral_density4tides(tide_ts, sample_spacing, out_fig=None, fig
     """Plot the power spectral density (PSD) of tides time-series.
     Note: for accurate PSD analysis, a long time-series, e.g. one year, is recommended.
     """
-    from matplotlib import pyplot as plt, ticker
-    from scipy import signal
-
     ## calc PSD
     freq, psd = signal.periodogram(tide_ts, fs=1/sample_spacing, scaling='density')
     # get rid of zero in the first element
diff --git a/src/pysolid/version.py b/src/pysolid/version.py
deleted file mode 100644
index 6c4d9e7..0000000
--- a/src/pysolid/version.py
+++ /dev/null
@@ -1,63 +0,0 @@
-#!/usr/bin/env python3
-# Author: Zhang Yunjun, Jan 2021
-# Copyright 2020, by the California Institute of Technology.
-
-
-import collections
-import os
-import subprocess
-
-
-###########################################################################
-# release history
-Tag = collections.namedtuple('Tag', 'version date')
-release_history = (
-    Tag('0.2.4', '2022-10-24'),
-    Tag('0.2.3', '2022-10-23'),
-    Tag('0.2.2', '2022-07-20'),
-    Tag('0.2.1', '2022-01-05'),
-    Tag('0.2.0', '2021-11-10'),
-    Tag('0.1.2', '2021-02-24'),
-    Tag('0.1.1', '2021-02-01'),
-    Tag('0.1.0', '2021-01-22'),
-)
-
-# latest release
-release_version = release_history[0].version
-release_date = release_history[0].date
-
-# get development version info
-def get_version_info():
-    """Grab version and date of the latest commit from a git repository"""
-    # go to the repository directory
-    dir_orig = os.getcwd()
-    os.chdir(os.path.dirname(os.path.dirname(__file__)))
-
-    try:
-        # grab from git cmd
-        cmd = "git describe --tags"
-        version = subprocess.check_output(cmd.split(), stderr=subprocess.DEVNULL)
-        version = version.decode('utf-8').strip()[1:]
-
-        # if there are new commits after the latest release
-        if '-' in version:
-            version, num_commit = version.split('-')[:2]
-            version += f'-{num_commit}'
-
-        cmd = "git log -1 --date=short --format=%cd"
-        date = subprocess.check_output(cmd.split(), stderr=subprocess.DEVNULL)
-        date = date.decode('utf-8').strip()
-
-    except:
-        # use the latest release version/date
-        version = release_version
-        date = release_date
-
-    # go back to the original directory
-    os.chdir(dir_orig)
-    return version, date
-
-
-###########################################################################
-version, version_date = get_version_info()
-