diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6dc1c03..f1c11e9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,7 +46,7 @@ jobs:
     - uses: actions/checkout@v4
     - name: Install dependencies
       run: |
-        brew install -q scons
+        pip3 install scons
     - name: Build with SCons
       run: |
         scons --jobs "$(sysctl -n hw.ncpu)"
@@ -69,12 +69,12 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-22.04, macos-13, windows-2022]
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
     - 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 }}
         cache: 'pip'
@@ -107,9 +107,9 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
-        python-version: '3.11'
+        python-version: '3.12'
         cache: 'pip'
         cache-dependency-path: 'requirements-black.txt'
     - name: Install dependencies
diff --git a/requirements-black.txt b/requirements-black.txt
index 6ae32aa..70f3034 100644
--- a/requirements-black.txt
+++ b/requirements-black.txt
@@ -1 +1 @@
-black==23.9.1
+black==24.3.0
diff --git a/setup.py b/setup.py
index a622f9d..5cab185 100644
--- a/setup.py
+++ b/setup.py
@@ -24,6 +24,7 @@
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "License :: OSI Approved :: Apache Software License",
         "License :: OSI Approved :: MIT License",
     ],
@@ -32,8 +33,8 @@
     packages=["lithium"],
     include_package_data=True,
     package_data={"build_tools": ["ffibuilder.py"]},
-    install_requires=["cffi>=1.12.0"],
-    setup_requires=["cffi>=1.12.0", "setuptools_scm"],
+    install_requires=["cffi>=1.16.0"],
+    setup_requires=["cffi>=1.16.0", "setuptools_scm"],
     cffi_modules=["ffibuilder.py:ffibuilder"],
     entry_points={
         "console_scripts": [