diff --git a/tox.ini b/tox.ini
index fa32b8a..08f9182 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,7 @@ install_command = pip install {opts} {packages}
 setenv =
    VIRTUAL_ENV={envdir}
 deps =
-  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/2024.2}
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/requirements.txt
 allowlist_externals =
@@ -42,7 +42,7 @@ commands =
 [testenv:docs]
 basepython = python3
 deps =
-  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/2024.2}
   -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -W -b html doc/source doc/build/html