diff --git a/api-ref/source/conf.py b/api-ref/source/conf.py
index cb2f07428e..dea25e9c7b 100644
--- a/api-ref/source/conf.py
+++ b/api-ref/source/conf.py
@@ -25,21 +25,18 @@
 
 import datetime
 import os
-from swift import __version__
-import subprocess
 import sys
 import warnings
 
-import openstackdocstheme
 
 html_theme = 'openstackdocs'
-html_theme_path = [openstackdocstheme.get_html_theme_path()]
 html_theme_options = {
     "sidebar_mode": "toc",
 }
 
 extensions = [
     'os_api_ref',
+    'openstackdocstheme'
 ]
 
 # If extensions (or modules to document with autodoc) are in another directory,
@@ -68,19 +65,6 @@ master_doc = 'index'
 project = u'Object Storage API Reference'
 copyright = u'2010-present, OpenStack Foundation'
 
-# The version info for the project you're documenting, acts as replacement for
-# |version| and |release|, also used in various other places throughout the
-# built documents.
-#
-# The short X.Y version.
-version = __version__.rsplit('.', 1)[0]
-# The full version, including alpha/beta/rc tags.
-release = __version__
-
-# html_context allows us to pass arbitrary values into the html template
-html_context = {'bug_tag': 'api-ref',
-                'bug_project': 'swift'}
-
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #
@@ -108,7 +92,12 @@ add_module_names = False
 show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
+
+# openstackdocstheme options
+openstackdocs_repo_name = 'openstack/swift'
+openstackdocs_bug_project = 'swift'
+openstackdocs_bug_tag = 'api-ref'
 
 # -- Options for man page output ----------------------------------------------
 
@@ -152,25 +141,6 @@ pygments_style = 'sphinx'
 # so a file named "default.css" will overwrite the builtin "default.css".
 # 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'
-if 'SOURCE_DATE_EPOCH' in os.environ:
-    now = float(os.environ.get('SOURCE_DATE_EPOCH'))
-    html_last_updated_fmt = datetime.datetime.utcfromtimestamp(now).isoformat()
-else:
-    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 OSError:
-        warnings.warn('Cannot get last updated time from git repository. '
-                      'Not setting "html_last_updated_fmt".')
-    else:
-        if not isinstance(html_last_updated_fmt, str):
-            # for py3
-            html_last_updated_fmt = html_last_updated_fmt.decode('ascii')
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
 # html_use_smartypants = True
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 00197779f8..46c4f5d8b2 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -2,9 +2,9 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 # this is required for the docs build jobs
-sphinx>=1.6.2 # BSD
-openstackdocstheme>=1.30.0 # Apache-2.0
-reno>=1.8.0  # Apache-2.0
+sphinx>=2.0.0,!=2.1.0 # BSD
+openstackdocstheme>=2.2.1 # Apache-2.0
+reno>=3.1.0 # Apache-2.0
 os-api-ref>=1.0.0 # Apache-2.0
 python-keystoneclient!=2.1.0,>=2.0.0 # Apache-2.0
 sphinxcontrib-svg2pdfconverter>=0.1.0 # BSD
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 3f048d68fd..2ca5d84771 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -29,7 +29,6 @@
 import datetime
 import logging
 import os
-from swift import __version__
 import sys
 
 # NOTE(amotoki): Our current doc build job uses an older version of
@@ -80,15 +79,6 @@ else:
     now = datetime.date.today()
 copyright = u'%d, OpenStack Foundation' % now.year
 
-# The version info for the project you're documenting, acts as replacement for
-# |version| and |release|, also used in various other places throughout the
-# built documents.
-#
-# The short X.Y version.
-version = __version__.rsplit('.', 1)[0]
-# The full version, including alpha/beta/rc tags.
-release = __version__
-
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 # language = None
@@ -122,7 +112,7 @@ exclude_trees = []
 show_authors = True
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 modindex_common_prefix = ['swift.']
@@ -172,11 +162,6 @@ html_theme_options = {
 # robots.txt.
 html_extra_path = ['_extra']
 
-# 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.
 # html_use_smartypants = True
@@ -248,6 +233,8 @@ latex_documents = [
 latex_use_xindy = False
 
 # -- Options for openstackdocstheme -------------------------------------------
-repository_name = 'openstack/swift'
-bug_project = 'swift'
-bug_tag = ''
+openstackdocs_repo_name = 'openstack/swift'
+openstackdocs_pdf_link = True
+openstackdocs_auto_name = False
+openstackdocs_bug_project = 'swift'
+openstackdocs_bug_tag = ''
diff --git a/lower-constraints.txt b/lower-constraints.txt
index 2c5c894fcf..0928e75338 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -44,8 +44,6 @@ netifaces==0.8
 nose==1.3.7
 nosehtmloutput==0.0.3
 nosexcover==1.0.10
-openstackdocstheme==1.30.0
-os-api-ref==1.0.0
 os-testr==0.8.0
 oslo.config==4.0.0
 oslo.i18n==3.20.0
@@ -68,15 +66,12 @@ python-swiftclient==3.2.0
 python-openstackclient==3.12.0
 pytz==2018.3
 PyYAML==3.12
-reno==1.8.0
 requests==2.14.2
 requests-mock==1.2.0
 rfc3986==1.1.0
 six==1.10.0
 smmap2==2.0.3
 snowballstemmer==1.2.1
-Sphinx==1.6.2
-sphinxcontrib-websupport==1.0.1
 stestr==2.0.0
 stevedore==1.28.0
 testtools==2.3.0
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 1dea1af1dd..932a4cbbd8 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -116,7 +116,7 @@ exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
@@ -174,11 +174,6 @@ html_theme = 'openstackdocs'
 #
 # html_extra_path = []
 
-# 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.
 #
@@ -352,6 +347,7 @@ htmlhelp_basename = 'SwiftReleaseNotesdoc'
 locale_dirs = ['locale/']
 
 # -- Options for openstackdocstheme -------------------------------------------
-repository_name = 'openstack/swift'
-bug_project = 'swift'
-bug_tag = ''
+openstackdocs_repo_name = 'openstack/swift'
+openstackdocs_auto_name = False
+openstackdocs_bug_project = 'swift'
+openstackdocs_bug_tag = ''