diff --git a/doc/source/conf.py b/doc/source/conf.py
index ded392f..a125627 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -28,7 +28,7 @@ import os
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['oslosphinx',
+extensions = ['openstackdocstheme',
               'yasfb',
              ]
 
@@ -102,7 +102,7 @@ suppress_warnings = ['image.nonlocal_uri']
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'nature'
+html_theme = 'openstackdocs'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -130,9 +130,7 @@ html_theme = 'nature'
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
-git_cmd = ["git", "log", "--pretty=format:'%ad, commit %h'", "--date=local",
-    "-n1"]
-html_last_updated_fmt = subprocess.check_output(git_cmd).decode('utf-8')
+html_last_updated_fmt = '%Y-%m-%d %H:%M'
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
diff --git a/requirements.txt b/requirements.txt
index 8013bd0..375b6cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,8 +3,8 @@
 # process, which may cause wedges in the gate later.
 
 doc8 # Apache-2.0
-oslosphinx>=4.7.0 # Apache-2.0
-sphinx>=1.5.1 # BSD
+sphinx>=1.6.2 # BSD
+openstackdocstheme>=1.11.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT