diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 74a31f24..647d07bc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,32 +10,50 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6
       - uses: pre-commit/action@v3.0.0
 
   test:
-    name: Unit Tests
-    runs-on: ubuntu-latest
+    name: Unit tests on Python ${{ matrix.python-version }} on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
     strategy:
-      max-parallel: 5
+      fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        os: [ubuntu-latest, macos-latest]
+        python-version: ["3.9", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "pypy3.9", "pypy3.10"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
+      
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
-        run: python -m pip install -U pip -r requirements-dev.txt "coveralls<3.0.0"
+        run: python -m pip install -U pip -r requirements-dev.txt coveralls
 
       - name: Run test suite
         env:
-          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+          COVERALLS_PARALLEL: "true"
+          OVERALLS_SERVICE_JOB_ID: ${{ github.run_id }}
         run: |
-          tox
-          coveralls
+          coverage run -m pytest
+          coverage xml
+          coveralls --service=github
+  
+  mypy:
+    name: Type Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6
+        with:
+          python-version: "3.12"
+      - run: pip install mypy
+      - run: |
+          pip install 
+          mypy .
diff --git a/README.rst b/README.rst
index 67946435..dab7718d 100644
--- a/README.rst
+++ b/README.rst
@@ -32,7 +32,7 @@ Installation
 
 .. _installation_start:
 
-|Brand| supports python ``3.6+``.  It may also work on pypy, cython, and jython, but is not being tested for these versions.
+|Brand| supports is tested for supported Python, i.e. 3.9+. It is tested for PyPy3.9 and PyPy3.10. It may also work Cython, and Jython but is not being tested for in the CI script.
 
 To install |Brand| run the following command:
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
index e8f8d7fa..298750dd 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,7 +7,5 @@ numpydoc==1.1.0
 
 # Testing
 parameterized==0.7.0
-tox==3.14.3
-tox-venv==0.4.0
-tox-gh-actions==0.3.0
 coverage==5.1
+pytest
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index 2f0e6893..00000000
--- a/tox.ini
+++ /dev/null
@@ -1,16 +0,0 @@
-[tox]
-envlist = py38,py39,py310,py311,pypy3
-
-[testenv]
-description = testing against {basepython}
-deps = -r requirements-dev.txt
-commands =
-    coverage run
-    coverage xml
-
-[gh-actions]
-python =
-    3.8: py38
-    3.9: py39
-    3.10: py310
-    3.11: py311