diff --git a/.github/workflows/python_ci.yml b/.github/workflows/python_ci.yml
index 0f01a07..a62a188 100644
--- a/.github/workflows/python_ci.yml
+++ b/.github/workflows/python_ci.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: "windows-2019"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,pypy-3.6,pypy-3.7,pypy-3.8'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12.0-alpha.1,pypy-3.6,pypy-3.7,pypy-3.8,pypy-3.9'
 
     strategy:
       fail-fast: False
@@ -33,10 +33,12 @@ jobs:
           - {python-version: "3.8", testenvs: "py38,build", experimental: False}
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
           - {python-version: "3.10", testenvs: "py310,build", experimental: False}
-          - {python-version: "3.11", testenvs: "py311-dev,build", experimental: True}
+          - {python-version: "3.11", testenvs: "py311,build", experimental: False}
+          - {python-version: "3.12.0-alpha.1", testenvs: "py312-dev,build", experimental: True}
           - {python-version: "pypy-3.6", testenvs: "pypy36,build", experimental: False}
           - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: True}
           - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: True}
+          - {python-version: "pypy-3.9", testenvs: "pypy39", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/.github/workflows/python_ci_linux.yml b/.github/workflows/python_ci_linux.yml
index 980623a..2219f95 100644
--- a/.github/workflows/python_ci_linux.yml
+++ b/.github/workflows/python_ci_linux.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: "ubuntu-20.04"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,pypy-3.6,pypy-3.7,pypy-3.8'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12.0-alpha.1,pypy-3.6,pypy-3.7,pypy-3.8,pypy-3.9'
 
     strategy:
       fail-fast: False
@@ -34,10 +34,12 @@ jobs:
           - {python-version: "3.8", testenvs: "py38,build", experimental: False}
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
           - {python-version: "3.10", testenvs: "py310,build", experimental: False}
-          - {python-version: "3.11", testenvs: "py311-dev,build", experimental: True}
+          - {python-version: "3.11", testenvs: "py311,build", experimental: False}
+          - {python-version: "3.12.0-alpha.1", testenvs: "py312-dev,build", experimental: True}
           - {python-version: "pypy-3.6", testenvs: "pypy36,build", experimental: False}
           - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: True}
           - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: True}
+          - {python-version: "pypy-3.9", testenvs: "pypy39", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/.github/workflows/python_ci_macos.yml b/.github/workflows/python_ci_macos.yml
index ef9f7ce..72b2efc 100644
--- a/.github/workflows/python_ci_macos.yml
+++ b/.github/workflows/python_ci_macos.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: "macos-latest"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,pypy-3.7,pypy-3.8'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12.0-alpha.1,pypy-3.7,pypy-3.8,pypy-3.9'
 
     strategy:
       fail-fast: False
@@ -33,9 +33,11 @@ jobs:
           - {python-version: "3.8", testenvs: "py38,build", experimental: False}
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
           - {python-version: "3.10", testenvs: "py310,build", experimental: False}
-          - {python-version: "3.11", testenvs: "py311-dev,build", experimental: True}
+          - {python-version: "3.11", testenvs: "py311,build", experimental: False}
+          - {python-version: "3.12.0-alpha.1", testenvs: "py312-dev,build", experimental: True}
           - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: True}
           - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: True}
+          - {python-version: "pypy-3.9", testenvs: "pypy39", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/pyproject.toml b/pyproject.toml
index e5d1c4a..0908250 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ base-classifiers = [
     "Topic :: Utilities",
     "Typing :: Typed",
 ]
-python-versions = [ "3.6", "3.7", "3.8", "3.9", "3.10",]
+python-versions = [ "3.6", "3.7", "3.8", "3.9", "3.10", "3.11",]
 python-implementations = [ "CPython", "PyPy",]
 platforms = [ "Windows", "macOS", "Linux",]
 license-key = "MIT"
diff --git a/repo_helper.yml b/repo_helper.yml
index 74a139b..228be6e 100644
--- a/repo_helper.yml
+++ b/repo_helper.yml
@@ -28,10 +28,12 @@ python_versions:
  - '3.8'
  - '3.9'
  - "3.10"
- - 3.11-dev
+ - "3.11"
+ - 3.12-dev
  - pypy36
  - pypy37
  - pypy38
+ - pypy39
 
 classifiers:
  - 'Development Status :: 4 - Beta'
diff --git a/tox.ini b/tox.ini
index 4cd2407..2a5fdc2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -22,10 +22,12 @@ envlist =
     py38
     py39
     py310
-    py311-dev
+    py311
+    py312-dev
     pypy36
     pypy37
     pypy38
+    pypy39
     mypy
     build
 skip_missing_interpreters = True
@@ -36,7 +38,18 @@ requires =
     virtualenv!=20.16.0
 
 [envlists]
-test = py36, py37, py38, py39, py310, py311-dev, pypy36, pypy37, pypy38
+test =
+    py36
+    py37
+    py38
+    py39
+    py310
+    py311
+    py312-dev
+    pypy36
+    pypy37
+    pypy38
+    pypy39
 qa = mypy, lint
 cov = py36, coverage
 
@@ -190,7 +203,10 @@ filterwarnings =
     ignore:can't resolve package from __spec__ or __package__, falling back on __name__ and __path__:ImportWarning
 
 [testenv]
-setenv = PYTHONDEVMODE = 1
+setenv =
+    PYTHONDEVMODE=1
+    PIP_DISABLE_PIP_VERSION_CHECK=1
+    SETUPTOOLS_USE_DISTUTILS=stdlib
 deps = -r{toxinidir}/tests/requirements.txt
 ignore_errors = True
 commands =