diff --git a/tox.ini b/tox.ini
index e29c73f8..8dc76da6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,7 +32,7 @@ setenv =
 
 [testenv:docs]
 deps =
- -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+ -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/2025.1}
 -r{toxinidir}/doc/requirements.txt
 commands =
 bash -c "rm -rf doc/build"
@@ -67,7 +67,7 @@ commands =
 # tested distros. I.e:
 # DOCKER_IMAGE_TAG=ubuntu-systemd:jammy tox -e molecule
 deps =
- -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+ -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/2025.1}
 -r{env:OSA_TEST_REQUIREMENTS_FILE:https://opendev.org/openstack/openstack-ansible/raw/branch/{env:TEST_BRANCH:master}/test-requirements.txt}
 jmespath
 setuptools
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<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://opendev.org/openstack/openstack-ansible-rabbitmq_server/commit/6feb3f3fa232870a1ab44b307e756efcaaf2a7fa.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://opendev.org/openstack/openstack-ansible-rabbitmq_server/commit/6feb3f3fa232870a1ab44b307e756efcaaf2a7fa.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>