diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 00000000..1bc74824
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,19 @@
+# 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.
+
+# For generationg sphinx documentation
+openstackdocstheme>=1.17.0 # Apache-2.0
+reno>=2.5.0 # Apache-2.0
+sphinx>=1.6.2 # BSD
+
+# For autodoc builds
+hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
+fixtures>=3.0.0 # Apache-2.0/BSD
+mock>=2.0.0 # BSD
+betamax>=0.7.0 # Apache-2.0
+oslo.config>=4.6.0 # Apache-2.0
+oslo.utils>=3.31.0 # Apache-2.0
+requests-mock>=1.1.0 # Apache-2.0
+lxml!=3.7.0,>=3.4.1 # BSD
+oauthlib>=0.6.0 # BSD
diff --git a/tox.ini b/tox.ini
index ce8619cc..22d0dc9d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -63,12 +63,14 @@ show-source = True
 exclude = .venv,.tox,dist,doc,*egg,build
 
 [testenv:docs]
+deps = -r{toxinidir}/doc/requirements.txt
 commands=
     bash -c "rm -rf doc/build"
     bash -c "rm -rf doc/source/api"
     python setup.py build_sphinx
 
 [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
 
 [hacking]