diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 8a21c75..60da69f 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -11,18 +11,16 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@v4
 
-      - name: Setup Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@v3
 
-      - name: Install tox
-        run: pip install tox
+      - name: Set up Python ${{ matrix.python-version }}
+        run: uv python install ${{ matrix.python-version }}
 
       - name: Run tox
-        run: tox -e py
+        run: uvx tox -e py
diff --git a/pyproject.toml b/pyproject.toml
index 09d829b..7bdcc70 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,6 @@ classifiers = [
     "License :: OSI Approved :: MIT License",
     "Operating System :: POSIX",
     "Programming Language :: Python",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -30,7 +29,7 @@ classifiers = [
 pyaction = "pyaction.cli:cli"
 
 [project.optional-dependencies]
-dev = ["coverage", "pytest-cookies", "tox"]
+dev = ["coverage", "pytest-cookies"]
 docs = ["mkdocs-material", "cairosvg", "pillow"]
 cli = ["copier ~= 9.2", "click ~= 8.1", "python-dotenv ~= 1.0.1"]
 
diff --git a/tox.ini b/tox.ini
index 5ebaabe..590bd09 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-env_list = py3{8,9,10,11,12}
+env_list = py3{9,10,11,12,13}
            pre-commit
 skipsdist = true
 skip_install = true