diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index eb257138..a684abc1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -11,90 +11,54 @@ on:
     branches:
       - main
     paths-ignore:
-      - 'sphinx-doc/**'
+      - 'docs/**'
       - '*.md'
       - '*.rst'
   pull_request:
     branches:
       - main
+      - '*.x'
     paths-ignore:
-      - 'sphinx-doc/**'
+      - 'docs/**'
       - '*.md'
       - '*.rst'
   schedule:
     # Schedule test runs at 3:42 UTC every Saturday
     - cron: "42 3 * * 6"
-  workflow_dispatch:
-    workflow: "*"
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.number }}-${{ github.event.ref }}
-  cancel-in-progress: true
-
-permissions:
-  contents: read
-
-env:
-    PY_COLORS: 1
-    FORCE_COLOR: 1
-
-# Basic reference:
-#     https://github.com/pallets/flask/blob/main/.github/workflows/tests.yaml
-# Advanced reference:
-#     https://github.com/matplotlib/matplotlib/blob/main/.github/workflows/tests.yml
 jobs:
   tests:
-    name: "Test ccp with Py ${{ matrix.python }} on ${{ matrix.os }}"
+    name: ${{ matrix.name }}
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
         include:
-          - {name: '3.11', python: '3.11', os: 'ubuntu-latest', pytest: 'py311'}
-          - {name: 'Mac_py310', python: '3.10', os: 'macos-latest', pytest: 'py310'}
-          - {name: 'Linux_py310', python: '3.10', os: 'ubuntu-latest', pytest: 'py310'}
-          - {name: '3.9', python: '3.9', os: 'ubuntu-latest', pytest: 'py39'}
-          - {name: '3.8', python: '3.8', os: 'ubuntu-latest', pytest: 'py38'}
-          - {name: 'PyPy-3.9', python: 'pypy-3.9', os: 'ubuntu-latest', pytest: 'pypy39'}
-          - {name: 'PyPy-3.8', python: 'pypy-3.8', os: 'ubuntu-latest', pytest: 'pypy38'}
+          - {name: Linux, python: '3.11', os: ubuntu-latest, tox: py311}
+          - {name: Windows, python: '3.11', os: windows-latest, tox: py311}
+          - {name: Mac, python: '3.11', os: macos-latest, tox: py311}
+          - {name: '3.12-dev', python: '3.12-dev', os: ubuntu-latest, tox: py312}
+          - {name: '3.10', python: '3.10', os: ubuntu-latest, tox: py310}
+          - {name: '3.9', python: '3.9', os: ubuntu-latest, tox: py39}
+          - {name: '3.8', python: '3.8', os: ubuntu-latest, tox: py38}
+          - {name: 'PyPy', python: 'pypy-3.10', os: ubuntu-latest, tox: pypy310}
+          - {name: 'Minimum Versions', python: '3.11', os: ubuntu-latest, tox: py311-min}
+          - {name: 'Development Versions', python: '3.8', os: ubuntu-latest, tox: py38-dev}
     steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Set required github workflow python version (version:3.10)
-        uses: actions/setup-python@v4
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+      - uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1
         with:
-          python-version: '3.10'
-
-      - name: Update setuptools / wheel / pip versions
-        run: |
-          python -m pip install -U setuptools wheel pip
-
-      - name: Update poetry package versions
-        run: |
-          pip install -U poetry
-          pip install -U poetry-core
-
-      - name: Install pytest for ciscoconfparse
-        run: |
-          pip install -U pytest
+          python-version: ${{ matrix.python }}
+      - run: pip install tox
+      - run: tox run -e ${{ matrix.tox }}
 
-      - name: Install all ciscoconfparse package requirements
-        run: |
-          pip install -U black
-          pip install -U -r requirements.txt
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.number }}-${{ github.event.ref }}
+  cancel-in-progress: true
 
-      - name: Set up ciscoconfparse Python dependencies
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python }}
-          #cache: pip
-          #cache-dependency-path: 'requirements*.txt'
+permissions:
+  contents: read
 
-      - name: Catch install problems such as pyproject.toml doesn't require auto-dependency installs (ref https://github.com/mpenning/ciscoconfparse/issues/254)
-        run: |
-          pip uninstall -y passlib dnspython loguru
-          pip install .
+env:
+    PY_COLORS: 1
+    FORCE_COLOR: 1
 
-      - name: Run unit-tests
-        run: make test
diff --git a/CHANGES.md b/CHANGES.md
index 254be6d9..819c7048 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,6 +4,12 @@
 - Summary:
     - Insert something here
 
+## Version: 1.9.1
+
+- Released: 2023-10-10
+- Summary:
+    - Use tox.ini for github tests instead of Makefile
+
 ## Version: 1.9.0
 
 - Released: 2023-10-10
diff --git a/pyproject.toml b/pyproject.toml
index cff2a288..c4d30867 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ requires-python = ">=3.8.0"
 
 [tool.poetry]
 name = "ciscoconfparse"
-version = "1.9.0"
+version = "1.9.1"
 description = "Parse, Audit, Query, Build, and Modify Cisco IOS-style and JunOS-style configs"
 license = "GPL-3.0-only"
 authors = [