diff --git a/test-requirements.txt b/test-requirements.txt
index 767bebc..7ef9f3d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,7 +3,3 @@
 # process, which may cause wedges in the gate later.
 
 hacking>=3.0.1,<3.1.0 # Apache-2.0
-sphinx>=2.0.0,!=2.1.0 # BSD
-openstackdocstheme>=2.2.1 # Apache-2.0
-# releasenotes
-reno>=3.1.0 # Apache-2.0
diff --git a/tox.ini b/tox.ini
index 76bf297..dd26f81 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,7 +35,8 @@ commands =
     coverage xml -o cover/coverage.xml
 
 [testenv:docs]
-deps = -r{toxinidir}/doc/requirements.txt
+deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+       -r{toxinidir}/doc/requirements.txt
 whitelist_externals =
   rm
 commands =
@@ -43,6 +44,7 @@ commands =
   sphinx-build -E -W --keep-going -b html doc/source doc/build/html
 
 [testenv:releasenotes]
+deps = {[testenv:docs]deps}
 whitelist_externals =
   rm
 commands =