diff --git a/doc/source/conf.py b/doc/source/conf.py
index c3cadb7..4ca6871 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -4,7 +4,10 @@ project = 'python-tackerclient'
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.autodoc', 'sphinx.ext.intersphinx']
+extensions = ['sphinx.ext.autodoc',
+              'sphinx.ext.intersphinx',
+              'openstackdocstheme'
+]
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -32,12 +35,17 @@ 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 = 'nature'
+html_theme = 'openstackdocs'
 
 # Output file base name for HTML help builder.
 htmlhelp_basename = '%sdoc' % project
 
 
+# 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'
+
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author,
 #  documentclass [howto/manual]).
@@ -50,3 +58,9 @@ latex_documents = [
 
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {'http://docs.python.org/': None}
+
+
+# -- Options for openstackdocstheme -------------------------------------------
+repository_name = 'openstack/python-tackerclient'
+bug_project = 'python-tackerclient'
+bug_tag = ''
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 1937a88..c3ac943 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -37,7 +37,8 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
     'oslosphinx',
-    'reno.sphinxext'
+    'reno.sphinxext',
+    'openstackdocstheme'
 ]
 
 # Add any paths that contain templates here, relative to this directory.
@@ -105,7 +106,7 @@ 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
@@ -262,3 +263,8 @@ texinfo_documents = [
 
 # -- Options for Internationalization output ------------------------------
 locale_dirs = ['locale/']
+
+# -- Options for openstackdocstheme -------------------------------------------
+repository_name = 'openstack/python-tackerclient'
+bug_project = 'python-tackerclient'
+bug_tag = ''
diff --git a/requirements.txt b/requirements.txt
index da31f11..4ed021d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,3 +17,4 @@ oslo.log>=3.22.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0
 oslosphinx>=4.7.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
+openstackdocstheme>=1.11.0 # Apache-2.0