diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 00000000..7981d3bb
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,6 @@
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
+sphinx>=1.6.2 # BSD
+sphinx_rtd_theme==0.2.4
+reno>=2.5.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 11610a02..adf132c4 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -14,11 +14,8 @@ os-testr>=0.8.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
 bandit>=1.1.0 # Apache-2.0
-sphinx>=1.6.2 # BSD
 gabbi==1.35.1
-sphinx_rtd_theme==0.2.4
 pifpaf==0.10.0
-reno>=2.5.0 # Apache-2.0
 pytest-html==1.16.0
 
 # NOTE(fmontei): The requirement below is only included because readthedocs
diff --git a/tox.ini b/tox.ini
index 5d09a8f2..7b64d5e8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -64,6 +64,7 @@ commands =
     bandit -r deckhand -x deckhand/tests -n 5
 
 [testenv:releasenotes]
+deps = -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:genconfig]
@@ -87,6 +88,7 @@ ignore = E127,E128,E129,E131,H405
 exclude =  .venv,.git,.tox,dist,*lib/python*,*egg,build,releasenotes,doc
 
 [testenv:docs]
+deps = -r{toxinidir}/doc/requirements.txt
 commands =
     rm -rf doc/build
     python setup.py build_sphinx {posargs}