diff --git a/.github/workflows/dca_tests.yml b/.github/workflows/dca_tests.yml
index 367b807..d7e6b7a 100644
--- a/.github/workflows/dca_tests.yml
+++ b/.github/workflows/dca_tests.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.8", "3.9", "3.10"]
     steps:
       - name: Test DCA
         uses: actions/checkout@v4
diff --git a/README.md b/README.md
index fae1dc1..74eca04 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,15 @@ If you are installing with `pip` you can run
 $ pip install -e . -r requirements.txt
 ```
 
+Note: DCA only requires a CPU-only `pytorch`. If you wish to, **before** installing DCA as in the above instructions,
+you can install a CPU-only `pytorch` by following the `pytorch` [installation guide](https://pytorch.org/get-started/locally/).
+
+
+```bash
+$ pip install torch --index-url https://download.pytorch.org/whl/cpu
+```
+
+
 ## Datasets
 The 4 datasets used in the DCA paper can be found in the following locations
 * [M1](https://zenodo.org/record/583331) - We used indy_20160627_01.mat
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 89799a4..748d8f2 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -12,7 +12,6 @@
 #
 import os
 import sys
-import sphinx_rtd_theme
 
 # Get the project root dir, which is the parent parent dir of this
 project_root = os.path.dirname(os.path.dirname(os.getcwd()))
@@ -68,7 +67,6 @@
 # a list of builtin themes.
 #
 html_theme = 'sphinx_rtd_theme'
-html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 
 # 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,
diff --git a/pyproject.toml b/pyproject.toml
index b0f0765..c842577 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,33 @@
 [build-system]
-requires = ["setuptools>=42"]
+requires = ["setuptools>=61", "wheel"]  # [CHANGE] upgraded setuptools to 61+ for full pyproject.toml metadata support
 build-backend = "setuptools.build_meta"
+
+[project]
+name = "DynamicalComponentsAnalysis"
+version = "1.1.0"
+description = "Dynamical Components Analysis"
+readme = "README.md"
+requires-python = ">=3.6"
+authors = [
+    { name="Jesse Livezey", email="jesse.livezey@gmail.com" },
+    { name="David Clark" }
+]
+license = { file = "LICENSE.txt" }
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "Operating System :: OS Independent"
+]
+dynamic = ["dependencies"]
+
+[project.urls]
+Homepage = "https://github.com/BouchardLab/DynamicalComponentsAnalysis"
+"Bug Tracker" = "https://github.com/BouchardLab/DynamicalComponentsAnalysis/issues"
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.setuptools]
+package-dir = {"" = "src"}
+
+[tool.setuptools.dynamic]
+dependencies = {file = ["requirements.txt"]}
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 87db078..7729219 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,4 @@ h5py
 pandas
 scikit-learn
 matplotlib
---extra-index-url https://download.pytorch.org/whl/cpu
 torch
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 6c02238..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,24 +0,0 @@
-[metadata]
-name = dca
-version = 1.0.0
-author = Jesse Livezey, David Clark
-author_email = jesse.livezey@gmail.com
-description = Dynamical Components Analysis
-long_description = file: README.md
-long_description_content_type = text/markdown
-url = https://github.com/BouchardLab/DynamicalComponentsAnalysis
-project_urls =
-    Bug Tracker = https://github.com/BouchardLab/DynamicalComponentsAnalysis/issues
-classifiers =
-    Programming Language :: Python :: 3
-    License :: OSI Approved :: BSD-3-Clause-LBNL
-    Operating System :: OS Independent
-
-[options]
-package_dir =
-    = src
-packages = find:
-python_requires = >=3.6
-
-[options.packages.find]
-where = src
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 4f75033..0000000
--- a/setup.py
+++ /dev/null
@@ -1,4 +0,0 @@
-from setuptools import setup
-
-
-setup()
\ No newline at end of file
diff --git a/src/dca/cov_util.py b/src/dca/cov_util.py
index 4e5851e..7cf4305 100644
--- a/src/dca/cov_util.py
+++ b/src/dca/cov_util.py
@@ -812,8 +812,8 @@ def __get__(self, obj, objtype):
 
 @memoized
 def pv_permutation(T, N):
-    A = np.arange((T * N)**2, dtype=np.int).reshape((T * N, T * N))
-    A_perm = np.zeros((T**2, N**2), dtype=np.int)
+    A = np.arange((T * N)**2, dtype=int).reshape((T * N, T * N))
+    A_perm = np.zeros((T**2, N**2), dtype=int)
     for i in range(T):
         for j in range(T):
             row_idx = i * T + j