diff --git a/tox.ini b/tox.ini
index 48d1a702ea..f2f28bd03e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,7 +8,7 @@ usedevelop=True
 whitelist_externals = find
                       rm
 install_command = pip install {opts} {packages}
-deps = -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+deps = -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/stein}
        -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
@@ -60,7 +60,7 @@ commands = bandit --skip B303 -r ansible kolla_ansible tests tools
 [testenv:venv]
 basepython = python3
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/stein}
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/doc/requirements.txt
 commands = {posargs}
@@ -68,7 +68,7 @@ commands = {posargs}
 [testenv:docs]
 basepython = python3
 deps =
-   -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+   -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/stein}
    -r{toxinidir}/requirements.txt
    -r{toxinidir}/doc/requirements.txt
 commands =
@@ -78,7 +78,7 @@ commands =
 [testenv:deploy-guide]
 basepython = python3
 deps =
-   -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+   -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/stein}
    -r{toxinidir}/requirements.txt
    -r{toxinidir}/doc/requirements.txt
 
@@ -95,7 +95,7 @@ commands =
 [testenv:releasenotes]
 basepython = python3
 deps =
-   -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+   -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/stein}
    -r{toxinidir}/requirements.txt
    -r{toxinidir}/doc/requirements.txt
 commands =