diff --git a/test-requirements.txt b/test-requirements.txt
index c4960deb..d245c0dd 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,10 @@
+# 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!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7' # BSD
+sphinx!=1.6.6,!=1.6.7,>=1.6.2;python_version>='3.4'  # BSD
 pre-commit==1.13.0 # MIT License
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 bashate>=0.5.1  # Apache-2.0
+openstackdocstheme>=1.19.0 # Apache-2.0
+reno>=2.5.0 # Apache-2.0