diff --git a/pyproject.toml b/pyproject.toml
index 44c71a1..c1fb6b3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Topic :: Software Development :: Testing",
     "Framework :: Hypothesis",
 ]
diff --git a/tox.ini b/tox.ini
index 545554b..34f5483 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 min_version = 4
 env_list =
-    py3{9,10,11,12,13}-tests
+    py3{9,10,11,12,13,14}-tests
     coverage-report
     pre-commit
 
@@ -17,7 +17,7 @@ commands =
 
 # Run oldest and latest under Coverage.
 # Keep in-sync with coverage `depends below.
-[testenv:py3{9,13}-tests]
+[testenv:py3{9,14}-tests]
 deps =
     coverage[toml]
 commands = coverage run -m pytest {posargs}
@@ -28,7 +28,7 @@ deps = coverage[toml]
 skip_install = true
 parallel_show_output = true
 # Keep in-sync with test env definition above.
-depends = py3{9,13}-tests
+depends = py3{9,14}-tests
 commands =
     coverage combine
     coverage report