diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1cc9dbd..84fdbd4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.9, '3.10', '3.11', '3.12', '3.13']
+        python-version: [3.9, '3.10', '3.11', '3.12', '3.13', '3.14']
       max-parallel: 1
 
     steps:
diff --git a/CHANGES.rst b/CHANGES.rst
index f2fd594..86e6515 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -8,6 +8,8 @@ CHANGES
 Environments
 ------------
 
+* add python-3.14 support by @rffontenelle in https://github.com/sphinx-doc/sphinx-intl/pull/115
+
 Incompatibility
 ---------------
 
diff --git a/pyproject.toml b/pyproject.toml
index b937b8b..52b4821 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,6 +31,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Framework :: Sphinx",
 ]
 
diff --git a/tox.ini b/tox.ini
index 3d76503..5845d21 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{39,310,311,312,313},
+    py{39,310,311,312,313,314},
     lint,
     mypy
 
@@ -11,6 +11,7 @@ python =
     3.11: py311
     3.12: py312
     3.13: py313
+    3.14: py314
 
 [testenv]
 deps=-e.[test]