diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index fdf395f45..551ae2244 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -75,7 +75,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.8', '3.10', '3.11']
+        python-version: ['3.8', '3.10', '3.11', '3.12']
         os: [ubuntu-latest]
         include:
         - python-version: '3.9'
diff --git a/pyproject.toml b/pyproject.toml
index 7cd3ddd8f..ef0001c18 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,6 +46,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
 ]
 
 [project.urls]
@@ -73,8 +74,8 @@ test = [
     "networkx>=2.5",
     "scikit-learn>=1.0",
     "tqdm",
-    # tslearn needs numba, which isn't supported for 3.11
-    "tslearn>=0.5; python_version < '3.11'",
+    # tslearn needs numba, which isn't supported for 3.12
+    "tslearn>=0.5; python_version < '3.12'",
     "lineax; python_version >= '3.9'",
     "matplotlib",
 ]
@@ -180,14 +181,14 @@ ignore_path = ["docs/**/_autosummary", "docs/contributing.rst"]
 legacy_tox_ini = """
     [tox]
     min_version = 4.0
-    env_list = lint-code,py{3.8,3.9,3.10,3.11},py3.9-jax-default
+    env_list = lint-code,py{3.8,3.9,3.10,3.11,3.12},py3.9-jax-default
     skip_missing_interpreters = true
 
     [testenv]
     extras =
         test
         # https://github.com/google/flax/issues/3329
-        py{3.9,3.10,3.11},py3.9-jax-default: neural
+        py{3.9,3.10,3.11,3.12},py3.9-jax-default: neural
     pass_env = CUDA_*,PYTEST_*,CI
     commands_pre =
         gpu: python -I -m pip install "jax[cuda]" -f https://storage.googleapis.com/jax-releases/jax_cuda_releases.html