diff --git a/.github/workflows/python_ci.yml b/.github/workflows/python_ci.yml
index 8bbb3e0..3a3c387 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: '3.6,3.7,3.8,3.9,3.10,3.11,3.12.0-rc.1,pypy-3.6,pypy-3.7,pypy-3.8,pypy-3.9'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-alpha.1,pypy-3.6,pypy-3.7,pypy-3.8,pypy-3.9'
 
     strategy:
       fail-fast: False
@@ -34,10 +34,11 @@ jobs:
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
           - {python-version: "3.10", testenvs: "py310,build", experimental: False}
           - {python-version: "3.11", testenvs: "py311,build", experimental: False}
-          - {python-version: "3.12.0-rc.1", testenvs: "py312-dev,build", experimental: True}
+          - {python-version: "3.12", testenvs: "py312,build", experimental: False}
+          - {python-version: "3.13.0-alpha.1", testenvs: "py313-dev,build", experimental: True}
           - {python-version: "pypy-3.6", testenvs: "pypy36", 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-3.7", testenvs: "pypy37,build", experimental: False}
+          - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: False}
           - {python-version: "pypy-3.9", testenvs: "pypy39,build", experimental: True}
 
     steps:
diff --git a/.github/workflows/python_ci_linux.yml b/.github/workflows/python_ci_linux.yml
index 287b8fa..43b4451 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: '3.6,3.7,3.8,3.9,3.10,3.11,3.12.0-rc.1,pypy-3.6,pypy-3.7,pypy-3.8,pypy-3.9'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-alpha.1,pypy-3.6,pypy-3.7,pypy-3.8,pypy-3.9'
 
     strategy:
       fail-fast: False
@@ -35,10 +35,11 @@ jobs:
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
           - {python-version: "3.10", testenvs: "py310,build", experimental: False}
           - {python-version: "3.11", testenvs: "py311,build", experimental: False}
-          - {python-version: "3.12.0-rc.1", testenvs: "py312-dev,build", experimental: True}
+          - {python-version: "3.12", testenvs: "py312,build", experimental: False}
+          - {python-version: "3.13.0-alpha.1", testenvs: "py313-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-3.7", testenvs: "pypy37,build", experimental: False}
+          - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: False}
           - {python-version: "pypy-3.9", testenvs: "pypy39,build", experimental: True}
 
     steps:
diff --git a/.github/workflows/python_ci_macos.yml b/.github/workflows/python_ci_macos.yml
index e9420ea..c64a775 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: '3.6,3.7,3.8,3.9,3.10,3.11,3.12.0-rc.1,pypy-3.7,pypy-3.8,pypy-3.9'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,3.12,3.13.0-alpha.1,pypy-3.7,pypy-3.8,pypy-3.9'
 
     strategy:
       fail-fast: False
@@ -34,9 +34,10 @@ jobs:
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
           - {python-version: "3.10", testenvs: "py310,build", experimental: False}
           - {python-version: "3.11", testenvs: "py311,build", experimental: False}
-          - {python-version: "3.12.0-rc.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: "3.12", testenvs: "py312,build", experimental: False}
+          - {python-version: "3.13.0-alpha.1", testenvs: "py313-dev,build", experimental: True}
+          - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: False}
+          - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: False}
           - {python-version: "pypy-3.9", testenvs: "pypy39,build", experimental: True}
 
     steps:
diff --git a/pyproject.toml b/pyproject.toml
index 374932d..b25e151 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", "3.11",]
+python-versions = [ "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12",]
 python-implementations = [ "CPython", "PyPy",]
 platforms = [ "Windows", "macOS", "Linux",]
 license-key = "MIT"
diff --git a/repo_helper.yml b/repo_helper.yml
index f8738c1..8537d00 100644
--- a/repo_helper.yml
+++ b/repo_helper.yml
@@ -29,7 +29,8 @@ python_versions:
  - '3.9'
  - "3.10"
  - "3.11"
- - 3.12-dev
+ - "3.12"
+ - 3.13-dev
  - pypy36
  - pypy37
  - pypy38
diff --git a/tox.ini b/tox.ini
index 152bf62..c5e07c3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,9 @@
 #     * tox
 #     * envlists
 #     * testenv:.package
+#     * testenv:py313-dev
 #     * testenv:py312-dev
+#     * testenv:py312
 #     * testenv:docs
 #     * testenv:build
 #     * testenv:lint
@@ -25,7 +27,8 @@ envlist =
     py39
     py310
     py311
-    py312-dev
+    py312
+    py313-dev
     pypy36
     pypy37
     pypy38
@@ -48,7 +51,8 @@ test =
     py39
     py310
     py311
-    py312-dev
+    py312
+    py313-dev
     pypy36
     pypy37
     pypy38
@@ -61,7 +65,12 @@ setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
 
-[testenv:py312-dev]
+[testenv:py313-dev]
+setenv =
+    PYTHONDEVMODE=1
+    PIP_DISABLE_PIP_VERSION_CHECK=1
+
+[testenv:py312]
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1