diff --git a/CHANGES b/CHANGES
index f21b051e..435a53ee 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,7 @@
 0.26.3
 ------
 
+* Added Python 3.14 support (classifiers, tox envlist, and CI test matrix). See #810
 * Added a ``keep_headers`` argument to ``_recorder.record`` and
   ``Recorder.dump_to_file`` to preserve named headers (for example ``Date``)
   that are otherwise stripped as verbose defaults, so a signed response can be
diff --git a/setup.py b/setup.py
index 99133695..966feea3 100644
--- a/setup.py
+++ b/setup.py
@@ -69,6 +69,7 @@
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3.14",
         "Topic :: Software Development",
     ],
 )
diff --git a/tox.ini b/tox.ini
index 1438493c..f297ba2a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38,py39,py310,py311,py312,py313,mypy,precom
+envlist = py38,py39,py310,py311,py312,py313,py314,mypy,precom
 
 [pytest]
 filterwarnings =