diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index fe8b448..932d2c3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -28,6 +28,7 @@ jobs:
         - ["3.11", "py311"]
         - ["3.12", "py312"]
         - ["3.13", "py313"]
+        - ["3.14", "py314"]
         - ["pypy-3.11", "pypy3"]
         - ["3.11", "docs"]
 
diff --git a/docs/changes.rst b/docs/changes.rst
index 76c590b..ed3f903 100644
--- a/docs/changes.rst
+++ b/docs/changes.rst
@@ -4,6 +4,8 @@
 5.5 (unreleased)
 ----------------
 
+- Add support for Python 3.14.
+
 - Drop support for Python 3.9.
 
 - Include Zope toolkit (ZTK) versions directly into GROK toolkit and run their
diff --git a/setup.py b/setup.py
index be3f134..f05bd2d 100644
--- a/setup.py
+++ b/setup.py
@@ -22,6 +22,7 @@
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3.14",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Programming Language :: Python :: Implementation :: CPython",
     ],
diff --git a/tox.ini b/tox.ini
index 5eaf0e0..1681720 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,6 +9,7 @@ envlist =
     py311
     py312
     py313
+    py314
     pypy3
     docs