diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 853d956..35bb20e 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -106,13 +106,6 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Create virtual environment
-        run: |
-          python3 -m venv venv
-      - name: Install Python dependencies
-        run: |
-          ./venv/bin/python -m pip install --upgrade pip
-          ./venv/bin/python -m pip install -r requirements-dev.txt
       - name: Install package manager dependencies
         run: |
           sudo apt-get update
@@ -127,6 +120,10 @@ jobs:
             libfl-dev \
             libbenchmark-dev \
             libz-dev
+      - name: Install Python dependencies
+        run: |
+          pip install -U pip
+          pip install tox
       - name: Run tests
         env:
           BMQ_BROKER_URI: tcp://localhost:30114
@@ -153,39 +150,19 @@ jobs:
           key: ${{ needs.blazingmq-dependency.outputs.blazingmq_sha }}
       - name: Restore cached BlazingMQ build artifacts
         run: tar xzf blazingmq_artifacts.tar.gz
-      - name: Set up Python 3.9
+      - name: Set up Python 3.13
         uses: actions/setup-python@v5
         with:
-          python-version: "3.9"
-      - name: Create virtual environment
-        run: |
-          python3 -m venv venv
-      - name: Install Python dependencies
-        run: |
-          ./venv/bin/python -m pip install --upgrade pip
-          ./venv/bin/python -m pip install -r requirements-dev.txt
-      - name: Set up dependencies
-        run:
-          sudo apt-get install clang-format
-      - name: Install Package
+          python-version: "3.13"
+      - name: Install tox
+        run: pip install tox
+      - name: Lint sources
         run: |
-          ./venv/bin/python -m pip install -e .
+          tox run -e lint
+          tox run -e lint-cython
         env:
           PREFIX: blazingmq_artifacts
-          PYTHON: ./venv/bin/python
           PKG_CONFIG_PATH: /usr/lib/x86_64-linux-gnu/pkgconfig:/opt/bb/lib64/pkgconfig:./blazingmq_artifacts/lib64/pkgconfig
-      - name: Lint sources
-        env:
-          PYTHON: ./venv/bin/python
-        run: |
-          make lint
-      - name: Build docs
-        run: |
-          ./venv/bin/python -m towncrier build --version 99.99 --name blazingmq --keep
-          make docs
-        env:
-          PYTHON: ./venv/bin/python
-          SPHINXBUILD: ../venv/bin/sphinx-build
 
   coverage:
     name: Coverage
diff --git a/tox.ini b/tox.ini
index 5a47a21..8eba74d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,13 @@
 [tox]
-envlist = py39,lint, lint-cython, lint-types, black, docs
-minversion = 3.2.1
+requires = tox>=4
+envlist = lint, lint-cython, lint-types, black, docs, py3{9,10,11,12,13}
 isolated_build = true
 
 [testenv]
+description =
+    Run tests under {basepython}
+    cov: with coverage
+
 setenv =
     cov: CYTHON_TEST_MACROS=1
 
@@ -26,29 +30,25 @@ commands =
 
 commands_cov = {basepython} -m pytest -v --timeout=30 --cov --cov-report=term --cov-fail-under=100 --cov-append --junitxml={toxworkdir}/{envname}_integration.xml --cov-report=xml:{toxworkdir}/coverage.xml
 
-description =
-    Run tests under {basepython}
-    cov: with coverage
-
 [testenv:.package]
 description = Isolated build environment
-basepython = python3.9
+basepython = python3.13
 
-[testenv:py39-cov]
+[testenv:py313-cov]
 usedevelop = True
 commands = {[testenv]commands_cov}
 deps = -rrequirements-test-coverage.txt
 
 [testenv:lint]
 description =  Run lint checker on Python files
-basepython = python3.9
+basepython = python3.13
 deps = flake8
 skip_install = true
 commands = {basepython} -m flake8 --config={toxinidir}/.flake8 src
 
 [testenv:lint-cython]
 description =  Run lint checker on Cython files
-basepython = python3.9
+basepython = python3.13
 deps = flake8
 skip_install = true
 commands = {basepython} -m flake8 --config={toxinidir}/.flake8.cython src
@@ -56,21 +56,21 @@ commands = {basepython} -m flake8 --config={toxinidir}/.flake8.cython src
 
 [testenv:lint-types]
 description =  Run mypy checker on examples
-basepython = python3.9
+basepython = python3.13
 deps = 
     mypy
-commands = {basepython} -m mypy --strict examples
+commands = {basepython} -m mypy --strict {posargs:src/blazingmq examples}
 
 [testenv:black]
 description =  Check that python files are formatted with black
-basepython = python3.9
+basepython = python3.13
 deps = black
 skip_install = true
 commands = {basepython} -m black --check --verbose src tests
 
 [testenv:docs]
 description = Generate library documentation
-basepython = python3.9
+basepython = python3.13
 deps = -rrequirements-lint-docs.txt
 commands = make -C docs html
            {basepython} -c 'print("documentation available under file://{toxworkdir}/docs_out/index.html")'