diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index cc276f03..6cdb1c12 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -12,9 +12,9 @@ jobs:
         steps:
             - uses: actions/checkout@v4
             - name: Set up Python
-              uses: actions/setup-python@v4
+              uses: actions/setup-python@v5
               with:
-                  python-version: 3.12
+                  python-version: 3.13
             - name: Install dependencies
               run: |
                   python -m pip install --upgrade pip
@@ -29,9 +29,9 @@ jobs:
         steps:
             - uses: actions/checkout@v4
             - name: Set up Python
-              uses: actions/setup-python@v4
+              uses: actions/setup-python@v5
               with:
-                  python-version: 3.12
+                  python-version: 3.13
             - name: Install dependencies
               run: |
                   python -m pip install --upgrade pip
@@ -43,7 +43,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                python-version: ["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
diff --git a/README.md b/README.md
index db269347..45dce9c3 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ Some of it's standout features:
 
 ## Local Demo
 
-To run a demo locally, using Python 3.8 or above:
+To run a demo locally, using Python 3.9 or above:
 
 ```bash
 pip install piccolo_admin
diff --git a/piccolo_admin/endpoints.py b/piccolo_admin/endpoints.py
index 6405a070..49549da4 100644
--- a/piccolo_admin/endpoints.py
+++ b/piccolo_admin/endpoints.py
@@ -832,7 +832,7 @@ def __init__(
                 admin_only=True,
                 increase_expiry=increase_expiry,
             ),
-            on_error=handle_auth_exception,
+            on_error=handle_auth_exception,  # type: ignore
         )
 
         self.mount(path="/api", app=auth_middleware(private_app))
diff --git a/requirements/dev-requirements.txt b/requirements/dev-requirements.txt
index 27f650b7..f5661ced 100644
--- a/requirements/dev-requirements.txt
+++ b/requirements/dev-requirements.txt
@@ -1,8 +1,8 @@
-black==24.8.0
-isort==5.13.2
-twine==5.0.0
-mypy==1.8.0
+black==25.1.0
+isort==6.0.1
+twine==6.1.0
+mypy==1.16.0
 pip-upgrader==1.4.15
-wheel==0.42.0
-python-dotenv==1.0.1
-setuptools==75.1.0
+wheel==0.46.1
+python-dotenv==1.1.0
+setuptools==80.9.0
diff --git a/requirements/test-requirements.txt b/requirements/test-requirements.txt
index d63cc378..f287e711 100644
--- a/requirements/test-requirements.txt
+++ b/requirements/test-requirements.txt
@@ -1,8 +1,8 @@
-pytest==8.0.1
-pytest-cov==4.1.0
-flake8==7.0.0
+pytest==8.4.0
+pytest-cov==6.1.1
+flake8==7.2.0
 piccolo[postgres,sqlite]>=1.16.0
-playwright==1.41.2
-pytest-playwright==0.4.4
+playwright==1.52.0
+pytest-playwright==0.7.0
 httpx==0.28.1
 fastapi==0.115.6
diff --git a/setup.py b/setup.py
index 69ef0e4b..08e59401 100644
--- a/setup.py
+++ b/setup.py
@@ -68,7 +68,7 @@ def get_version():
     long_description_content_type="text/markdown",
     author="Daniel Townsend",
     author_email="dan@dantownsend.co.uk",
-    python_requires=">=3.8.0",
+    python_requires=">=3.9.0",
     url="https://github.com/piccolo-orm/piccolo_admin",
     packages=find_packages(exclude=("tests",)),
     install_requires=REQUIREMENTS,
@@ -82,11 +82,11 @@ def get_version():
         "License :: OSI Approved :: MIT License",
         "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",
         "Topic :: Database :: Front-Ends",
         "Topic :: Internet :: WWW/HTTP :: Dynamic Content :: Content Management System",  # noqa: E501