diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 0376072..82ad4ab 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -13,9 +13,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: '3.x'
     - name: Install dependencies
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6a768f4..ec93a66 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,6 +1,7 @@
 name: Tests
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - master
@@ -10,30 +11,37 @@ on:
 
 jobs:
   test:
-    name: Run tox on ${{ matrix.os }} for Python ${{ matrix.tox.py_version }}
+    name: Run tox on ${{ matrix.os }} for Python ${{ matrix.py_version }}
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
+      max-parallel: 5
       matrix:
         os: [ubuntu-latest, macos-latest]
-        tox:
+        py_version: ['3.6', '3.7', '3.8', '3.9', '3.10', '3.11']
+        include:
           - py_version: '3.6'
             env: py36
           - py_version: '3.7'
             env: py37
           - py_version: '3.8'
-            env: py38,flake8,mypy,black
+            env: py38
           - py_version: '3.9'
             env: py39
+          - py_version: '3.10'
+            env: py310
+          - py_version: '3.11'
+            env: py311
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
         with:
-          python-version: ${{ matrix.tox.py_version }}
-      - uses: actions/cache@v2
+          python-version: ${{ matrix.py_version }}
+      - uses: actions/cache@v3
         with:
           path: .tox
-          key: ${{ matrix.os }}-${{ matrix.tox.python-version }}-${{ hashFiles('tox.ini') }}-${{ hashFiles('requirements-dev.txt') }}
+          key: ${{ matrix.os }}-${{ matrix.py_version }}-${{ hashFiles('tox.ini') }}-${{ hashFiles('requirements-dev.txt') }}
       - name: Install tox
         run: python3 -m pip install tox
       - name: Run tox
-        run: tox -q -p all -e ${{ matrix.tox.env }}
+        run: tox -q -p all -e ${{ matrix.env }},flake8,mypy,black
diff --git a/tox.ini b/tox.ini
index 4a5ade2..37c8e93 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,7 +12,7 @@ skip_covered = True
 show_missing = True
 
 [tox]
-envlist = py3{6,7,8,9,10}, flake8, mypy, black, coverage
+envlist = py3{6,7,8,9,10,11}, flake8, mypy, black, coverage
 skip_missing_interpreters = True
 
 [testenv]
@@ -24,7 +24,7 @@ setenv =
   COVERAGE_FILE={toxworkdir}/.coverage.{envname}
 
 [testenv:coverage]
-depends = py38, py39, py310
+depends = py38, py39, py310, py311
 parallel_show_output = True
 skip_install = True
 setenv = COVERAGE_FILE={toxworkdir}/.coverage