diff --git a/.github/workflows/poetry.yml b/.github/workflows/poetry.yml
index 7bb6008..d84b12b 100644
--- a/.github/workflows/poetry.yml
+++ b/.github/workflows/poetry.yml
@@ -5,12 +5,15 @@ on: [push, pull_request]
 jobs:
   ci:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
-      - name: Install Python
+      - name: Install Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: ${{ matrix.python-version }}
       - name: Install poetry
         uses: abatilo/actions-poetry@v3
       - name: Install shellcheck
diff --git a/pyproject.toml b/pyproject.toml
index 9dbd47e..b8b96e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,9 +21,10 @@ classifiers = [
         'Topic :: Software Development :: Libraries',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
         '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 bcb221e..301e577 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-env_list = py311,py312
+env_list = py310,py311,py312,py313
 
 [testenv]
 allowlist_externals = poetry