diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 651b53e..268ba74 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -42,6 +42,8 @@ jobs:
             pip-install-spec: "jupyterhub==4.*"
           - python-version: "3.11"
             pip-install-spec: "jupyterhub==4.*"
+          - python-version: "3.12"
+            pip-install-spec: "jupyterhub==4.*"
 
           # test unreleased jupyterhub, failures tolerated
           - python-version: "3.X"
diff --git a/pyproject.toml b/pyproject.toml
index 757224e..1101b9b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,6 +34,7 @@ target_version = [
     "py39",
     "py310",
     "py311",
+    "py312",
 ]