diff --git a/.github/workflows/flake8.yml b/.github/workflows/flake8.yml
index c98fe3b..8cb6e2b 100644
--- a/.github/workflows/flake8.yml
+++ b/.github/workflows/flake8.yml
@@ -12,11 +12,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
-    - name: Set up Python 3.7
-      uses: actions/setup-python@v1
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.11
+      uses: actions/setup-python@v5
       with:
-        python-version: 3.7
+        python-version: '3.11'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/pytest-linux.yml b/.github/workflows/pytest-linux.yml
index cdfdc8a..1d36921 100644
--- a/.github/workflows/pytest-linux.yml
+++ b/.github/workflows/pytest-linux.yml
@@ -10,12 +10,12 @@ jobs:
   Build-linux:
     runs-on: ${{ matrix.os }}
     env:
-      CC: gcc-9
+      CC: gcc
 
     strategy:
       matrix:
-        os: [ubuntu-20.04, ubuntu-latest]
-        python-version: [3.8, 3.x]
+        os: [ubuntu-22.04, ubuntu-latest]
+        python-version: ['3.10', '3.11', '3.12', '3.13']
 
     steps:
     - uses: actions/checkout@v4
diff --git a/.github/workflows/pytest-macOS.yml b/.github/workflows/pytest-macOS.yml
index f866cbd..64579e2 100644
--- a/.github/workflows/pytest-macOS.yml
+++ b/.github/workflows/pytest-macOS.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        python-version: [3.6-dev, 3.x]
+        python-version: ['3.10', '3.11', '3.12', '3.13']
 
     steps:
     - uses: actions/checkout@v4
diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index d1e0335..717547d 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -8,9 +8,9 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: '3.x'
     - name: Install dependencies
diff --git a/setup.py b/setup.py
index 91bde10..4b0e9b3 100644
--- a/setup.py
+++ b/setup.py
@@ -35,14 +35,15 @@ def extensions():
 with open("README.md", "r") as fh:
     long_description = fh.read()
 
-s_required = ["cython>=0.17,<=3.0.0", "versioneer", "flake8"]
-i_required = ["contexttimer"]
+i_required = ["contexttimer", "numpy"]
+s_required = ["cython>=3.0", "versioneer", "flake8"]
 
 configuration = {
     'name': 'pyrevolve',
     'packages': find_packages(exclude=['examples', 'tests']),
     'setup_requires': s_required,
     'install_requires': i_required,
+    'python_requires': '>=3.10,<3.14',
     'extras_require': {'compression': ['blosc2', 'pyzfp']},
     'ext_modules': lazy_cythonize(extensions),
     'version': versioneer.get_version(),
@@ -54,7 +55,15 @@ def extensions():
     'author': "Imperial College London",
     'author_email': 'g.gorman@imperial.ac.uk',
     'license': 'MIT',
-    'zip_safe': False
+    'zip_safe': False,
+    'classifiers': [
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3 :: Only',
+        'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
+        'Programming Language :: Python :: 3.13'
+    ]
 }