diff --git a/.github/workflows/tox-pytest.yml b/.github/workflows/tox-pytest.yml
index cc1a5f45..8263e536 100644
--- a/.github/workflows/tox-pytest.yml
+++ b/.github/workflows/tox-pytest.yml
@@ -4,39 +4,27 @@ on: [push, pull_request]
 
 jobs:
   ci-test:
-    runs-on: ubuntu-latest
+    name: ci-test (${{ matrix.python-version }}, ${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.10"]
+        os: ["ubuntu-latest"]
+        python-version: ["3.10", "3.11"]
       fail-fast: false
     steps:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 2
-
-      - name: Set up conda environment for testing
-        uses: conda-incubator/setup-miniconda@v2.2.0
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
         with:
-          miniforge-variant: Mambaforge
-          miniforge-version: latest
-          use-mamba: true
-          mamba-version: "*"
-          channels: conda-forge,defaults
-          channel-priority: true
           python-version: ${{ matrix.python-version }}
-          activate-environment: dispatch
-          environment-file: environment.yml
-      - shell: bash -l {0}
-        run: |
-          conda info
-          conda list
-          conda config --show-sources
-          conda config --show
-          printenv | sort
-
-      - name: Run PyTest with Tox
+      - name: Install dependencies
         run: |
-          conda run -n dispatch tox
+          python -m pip install --upgrade pip
+          pip install tox
+      - name: Test with tox
+        run: tox -e ci
 
       - name: Coveralls
         uses: coverallsapp/github-action@master
diff --git a/docs/release_notes.rst b/docs/release_notes.rst
index ecd622a2..7c096787 100644
--- a/docs/release_notes.rst
+++ b/docs/release_notes.rst
@@ -101,6 +101,7 @@ What's New?
     :func:`.zero_profiles_outside_operating_dates` for clarity, use of the former name
     will be removed in the future.
 *  Code cleanup along with adoption of ruff and removal of bandit, flake8, isort, etc.
+*  Testing new :mod:`numba` version (or RC) to work with Python 3.11.
 
 
 Bug Fixes
diff --git a/environment.yml b/environment.yml
index 0728f7db..03241eb1 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,15 +4,7 @@ channels:
 dependencies:
   # Packages required for setting up the environment
   - pip>=21.0,<23
-  - python>=3.10,<3.11
-  - bottleneck >= 1.3,<1.3.6
-  - numba >= 0.55.1,<0.57
-  - numexpr >= 2.8, <2.8.5
-  - numpy >= 1.18.5,<2
-  - pandas >= 1.4,<1.6
-  - pandera >= 0.12, <0.14
-  - pyarrow >= 7,<11
-  - plotly>5.10,<=5.11
+  - python>=3.10,<3.12
 
   # Use pip to install the package defined by this repo for development:
   - pip:
diff --git a/pyproject.toml b/pyproject.toml
index 64f2cf94..fd3e3b7b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,10 +16,11 @@ classifiers = [
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: 3.10",
 ]
-requires-python = ">=3.10,<3.11"
+requires-python = ">=3.10,<3.12"
 dependencies = [
     "bottleneck >= 1.3,< 1.3.8",
-    "numba >= 0.55.1,<0.57",
+    "numba == 0.57.0rc1; python_version>='3.11'",
+    "numba >= 0.55.1,<0.57; python_version<'3.11'",
     "numexpr >= 2.8, < 2.8.5",
     "numpy >= 1.18.5,<2",
     "pandas >= 1.4,< 1.6",
@@ -31,8 +32,8 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "black[jupyter] >= 22,< 24",
-    "docformatter>=1.5,<1.6",
-    "ruff>0.0.215,<0.0.261",
+    "docformatter>=1.5,<1.7",
+    "ruff>0.0.215,<0.0.262",
     "tox>=3.20,<4.5",
     "twine>=3.3,<4.1",  # Used to make releases to PyPI
 ]
@@ -54,7 +55,7 @@ tests = [
     "pytest-console-scripts>=1.1,<1.4",
     "pytest-cov>=2.10,<4.1",
     "rstcheck[sphinx,toml]>=5.0,<6.2",
-    "ruff>0.0.215,<0.0.261",
+    "ruff>0.0.215,<0.0.262",
     "tox>=3.20,<4.5",
 ]
 viz = [