diff --git a/doc/requirements.txt b/doc/requirements.txt
index 38ece2d4..1189e351 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -2,7 +2,6 @@
 # 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,!=2.1.0,>=1.6.2;python_version>='3.4'  # BSD
+sphinx!=1.6.6,!=1.6.7,!=2.1.0,>=1.6.2  # BSD
 sphinx-testing # BSD
-openstackdocstheme>=1.19.0 # Apache-2.0
+openstackdocstheme>=1.31.2 # Apache-2.0
diff --git a/tox.ini b/tox.ini
index b320f16f..d36c2c78 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,8 +14,6 @@ whitelist_externals =
   mkdir
   rm
   sed
-install_command =
-  pip install -U --force-reinstall {opts} {packages}
 setenv =
   VIRTUAL_ENV={envdir}
   OS_TEST_PATH=./training-labs/tests/