diff --git a/.github/workflows/reusable-pytest.yml b/.github/workflows/reusable-pytest.yml
index e17735fd..b97b1d92 100644
--- a/.github/workflows/reusable-pytest.yml
+++ b/.github/workflows/reusable-pytest.yml
@@ -18,6 +18,7 @@ jobs:
           - "pypy3.8"
           - "pypy3.9-v7.3.14"
           - "pypy3.10-v7.3.17"
+          - "3.13"
           - "3.12"
           - "3.11"
           - "3.10"
diff --git a/pyproject.toml b/pyproject.toml
index 83b32780..8aeb3588 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
 ]
diff --git a/tox.ini b/tox.ini
index 0abe3573..73418b89 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,7 @@ env_list =
     type
     docs
     path
-    {py312, py311, py310, py39, py38, pypy310, pypy39, pypy38}{, -min}
+    {py313, py312, py311, py310, py39, py38, pypy310, pypy39, pypy38}{, -min}
 skip_missing_interpreters = true
 
 [testenv]
@@ -54,7 +54,7 @@ commands =
 
 [testenv:docs]
 description = build documentations
-base_python = python3.10
+base_python = python3.12
 extras =
     docs
 commands =
@@ -69,7 +69,7 @@ set_env =
 commands_pre =
     python -E -m pip uninstall -y build colorama
 
-[testenv:{py312, py311, py310, py39, py38, pypy38, pypy39, pypy310}-min]
+[testenv:{py313, py312, py311, py310, py39, py38, pypy38, pypy39, pypy310}-min]
 description = check minimum versions required of all dependencies
 skip_install = true
 commands_pre =
@@ -105,7 +105,7 @@ commands =
     python -m diff_cover.diff_cover_tool --compare-branch {env:DIFF_AGAINST:origin/main} {toxworkdir}/coverage.xml
 depends =
     path
-    {py312, py311, py310, py39, py38, pypy310, pypy39, pypy38}{, -min}
+    {py313, py312, py311, py310, py39, py38, pypy310, pypy39, pypy38}{, -min}
 
 [testenv:bump]
 description = bump versions, pass major/minor/patch