diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 9da35ae..7931125 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -16,12 +16,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
         allow-prereleases: true
@@ -30,6 +30,6 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install codespell flake8
         python -m pip install -e .
-    - run: codespell --ignore-words-list="ba,claus,vas" --quiet-level=2
+    - run: codespell --ignore-words-list="assertIn,ba,claus,vas" --quiet-level=2
     - run: flake8 . --count --ignore=E122,E226,E265,E741,E742 --max-complexity=22 --max-line-length=124 --show-source --statistics
     - run: python src/tests/test.py -v
diff --git a/docs/documentation.md b/docs/documentation.md
index 1e7c746..4757f37 100644
--- a/docs/documentation.md
+++ b/docs/documentation.md
@@ -4,7 +4,7 @@
 |---|---|
 |E-mail | michele.simionato@gmail.com|
 |Version| 5.1.1 (2022-01-07)|
-|Supports| Python 3.7, 3.8, 3.9, 3.10, 3.11, 3.12|
+|Supports| Python 3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13|
 |Download page| https://pypi.org/project/decorator/5.1.1|
 |Installation| ``pip install decorator``|
 |License | BSD license|
diff --git a/setup.py b/setup.py
index db0f4f2..a18a2d9 100644
--- a/setup.py
+++ b/setup.py
@@ -31,6 +31,7 @@
                        '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',
                        'Topic :: Software Development :: Libraries',
                        'Topic :: Utilities'],