diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index dbc52cb..554c462 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -9,14 +9,15 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["2.7", "3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["2.7", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -30,4 +31,4 @@ jobs:
           # flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
       - name: Test
         run: |
-          coverage run --source=jsonpatch tests.py
+          make coverage
diff --git a/setup.py b/setup.py
index ca33840..37d3657 100644
--- a/setup.py
+++ b/setup.py
@@ -46,6 +46,7 @@
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
+    'Programming Language :: Python :: 3.12',
     'Programming Language :: Python :: Implementation :: CPython',
     'Programming Language :: Python :: Implementation :: PyPy',
     'Topic :: Software Development :: Libraries',