diff --git a/doc/source/conf.py b/doc/source/conf.py
index c71f5a9..8412b05 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -11,11 +11,8 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
-import datetime
 import os
-import subprocess
 import sys
-import warnings
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
@@ -39,8 +36,14 @@ extensions = [
     'sphinx.ext.coverage',
     'sphinx.ext.ifconfig',
     'sphinx.ext.viewcode',
-    'oslosphinx',
+    'openstackdocstheme',
 ]
+
+# openstackdocstheme options
+repository_name = 'openstack/osprofiler'
+bug_project = 'osprofiler'
+bug_tag = ''
+
 todo_include_todos = True
 
 # Add any paths that contain templates here, relative to this directory.
@@ -98,7 +101,7 @@ 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
@@ -131,14 +134,7 @@ html_static_path = []
 
 # 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"]
-try:
-    html_last_updated_fmt = subprocess.Popen(
-        git_cmd, stdout=subprocess.PIPE).communicate()[0]
-except Exception:
-    warnings.warn('Cannot get last updated time from git repository. '
-                  'Not setting "html_last_updated_fmt".')
+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/releasenotes/source/conf.py b/releasenotes/source/conf.py
index a11b9a9..6d5caab 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -35,10 +35,15 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'oslosphinx',
+    'openstackdocstheme',
     'reno.sphinxext',
 ]
 
+# openstackdocstheme options
+repository_name = 'openstack/osprofiler'
+bug_project = 'osprofiler'
+bug_tag = ''
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 
@@ -109,7 +114,7 @@ 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
@@ -147,7 +152,7 @@ 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 89306a8..aa45596 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@ python-subunit>=0.0.18 # Apache-2.0/BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
 
-oslosphinx>=4.7.0 # Apache-2.0
+openstackdocstheme>=1.11.0 # Apache-2.0
 sphinx>=1.6.2 # BSD
 
 # Bandit security code scanner