diff --git a/doc/conf.py b/doc/conf.py
index 0a39ce7aaa..7219f5feb6 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -21,8 +21,8 @@ sys.path.insert(0, os.path.abspath('../..'))
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
+    'openstackdocstheme',
     'sphinx.ext.autodoc',
-    'oslosphinx'
 ]
 
 # autodoc generation is a bit aggressive and a nuisance when doing heavy
@@ -64,13 +64,16 @@ pygments_style = 'sphinx'
 
 # The theme to use for HTML and HTML Help pages.  Major themes that come with
 # Sphinx are currently 'default' and 'sphinxdoc'.
-# html_theme_path = ["."]
-# html_theme = '_theme'
+# html_theme_path = []
+html_theme = 'openstackdocs'
 # html_static_path = ['static']
 
 # Output file base name for HTML help builder.
 htmlhelp_basename = '%sdoc' % project
 
+# Must set this variable to include year, month, day, hours, and minutes.
+html_last_updated_fmt = '%Y-%m-%d %H:%M'
+
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass
 # [howto/manual]).
@@ -80,3 +83,8 @@ latex_documents = [
      u'%s Documentation' % project,
      u'OpenStack Foundation', 'manual'),
 ]
+
+# openstackdocstheme options
+repository_name = 'openstack/kolla-ansible'
+bug_project = 'kolla-ansible'
+bug_tag = ''
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 6c7d3581c5..1574433dc6 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -30,7 +30,7 @@ sys.path.insert(0, os.path.abspath('../..'))
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'oslosphinx',
+    'openstackdocstheme',
     'reno.sphinxext',
 ]
 
@@ -102,7 +102,7 @@ pygments_style = 'sphinx'
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'default'
+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
@@ -140,7 +140,7 @@ html_static_path = ['_static']
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
-# html_last_updated_fmt = '%b %d, %Y'
+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/test-requirements.txt b/test-requirements.txt
index c3654cda77..2ce13c104e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -11,7 +11,6 @@ hacking>=0.10.0
 openstackdocstheme>=1.11.0 # Apache-2.0
 oslo.log>=3.22.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
-oslosphinx>=4.7.0 # Apache-2.0
 reno!=2.3.1,>=1.8.0 # Apache-2.0
 PrettyTable<0.8,>=0.7.1 # BSD
 PyYAML>=3.10.0 # MIT