diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 81243b7a2..dbc39f54b 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -62,7 +62,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu, windows, macos]
-        py: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        py: ['3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
     name: "Test on ${{ matrix.os }}, py${{ matrix.py }}"
     runs-on: "${{ matrix.os }}-latest"
     steps:
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 1d6b8bcac..7f9965355 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -8,6 +8,8 @@ CHANGELOG
 Unreleased
 ----------
 
+- Add official support for Python 3.14
+
 .. vendor-insert-here
 
 - Update vendored schemas: circle-ci, compose-spec, dependabot, meltano, mergify,
diff --git a/tests/unit/test_cachedownloader.py b/tests/unit/test_cachedownloader.py
index 175dbf83d..b906ca03a 100644
--- a/tests/unit/test_cachedownloader.py
+++ b/tests/unit/test_cachedownloader.py
@@ -345,6 +345,10 @@ def dummy_validate_bytes(data):
     assert validator_ran is False
 
 
+@pytest.mark.skipif(
+    platform.system() == "Windows",
+    reason="time.tzset() is not available on Windows",
+)
 def test_lastmod_from_header_uses_gmtime(request, monkeypatch, default_response):
     """
     Regression test for https://github.com/python-jsonschema/check-jsonschema/pull/565
diff --git a/tox.ini b/tox.ini
index edd6ecfed..922be7a31 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,9 +3,9 @@ envlist =
     mypy
     cov_clean
     py39-mindeps{,-format}
-    py{313,312,311,310,39}
-    py{39,313}-{json5,pyjson5}{,-format}
-    py{39,313}-{disable_orjson}
+    py{314,313,312,311,310,39}
+    py{39,314}-{json5,pyjson5}{,-format}
+    py{39,314}-{disable_orjson}
     cov_combine
     cov_report
 skip_missing_interpreters = true
@@ -45,7 +45,7 @@ description = "combine coverage data"
 deps = coverage
 skip_install = true
 commands = coverage combine
-depends = py{,38,39,310,311,312,313}{,-mindeps,-format,-json5,-pyjson5,-disable_orjson}
+depends = py{,39,310,311,312,313,314}{,-mindeps,-format,-json5,-pyjson5,-disable_orjson}
 
 [testenv:cov_report]
 description = "report test coverage"