diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 0000000000..a7901f5183
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,3 @@
+openstackdocstheme>=1.18.1 # Apache-2.0
+sphinx>=1.8.0,!=2.1.0 # BSD
+reno>=2.5.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index e11f7e2c1c..36bb9c41fb 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,12 +2,9 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 hacking>=3.0.1,<3.1.0 # Apache-2.0
-openstackdocstheme>=1.18.1 # Apache-2.0
 PyYAML>=3.12 # MIT
 Jinja2>=2.10 # BSD License (3 clause)
 six>=1.10.0 # MIT
-sphinx>=1.8.0,!=2.1.0 # BSD
-reno>=2.5.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 python-subunit>=1.0.0 # Apache-2.0/BSD
diff --git a/tox.ini b/tox.ini
index d03988715c..532c98c7a1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -60,6 +60,8 @@ commands = python ./tools/process-templates.py
 commands = python ./tools/process-templates.py -c
 
 [testenv:releasenotes]
+deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+       -r{toxinidir}/doc/requirements.txt
 whitelist_externals =
     bash
 commands = bash -c tools/releasenotes_tox.sh