diff --git a/.github/workflows/schedule_tests.yml b/.github/workflows/schedule_tests.yml
index f99ef218aa..1ca766f7f3 100644
--- a/.github/workflows/schedule_tests.yml
+++ b/.github/workflows/schedule_tests.yml
@@ -20,6 +20,7 @@ jobs:
           - '3.11'
           - '3.12'
           - '3.13'
+          - '3.14-dev'
     name: Windows, SQLite, Python ${{ matrix.python-version }}
     continue-on-error: true
     steps:
diff --git a/tests/requirements/py3.txt b/tests/requirements/py3.txt
index a9679af97c..f0e208a115 100644
--- a/tests/requirements/py3.txt
+++ b/tests/requirements/py3.txt
@@ -6,8 +6,8 @@ black
 docutils >= 0.19
 geoip2
 jinja2 >= 2.11.0
-numpy
-Pillow >= 6.2.1
+numpy; python_version < '3.14'
+Pillow >= 6.2.1; sys.platform != 'win32' or python_version < '3.14'
 # pylibmc/libmemcached can't be built on Windows.
 pylibmc; sys_platform != 'win32'
 pymemcache >= 3.4.0