diff --git a/doc/source/conf.py b/doc/source/conf.py
index 50d8aa2fa1..e8d565ef39 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -39,13 +39,12 @@ os.environ['DJANGO_SETTINGS_MODULE'] = 'openstack_dashboard.settings'
 # They can be extensions coming with Sphinx (named 'sphinx.ext.*')
 # or your custom ones.
 extensions = [
+    'openstackdocstheme',
     'sphinx.ext.autodoc',
-    'sphinxcontrib.autohttp.flask',
     'wsmeext.sphinxext',
     'sphinx.ext.coverage',
     'sphinx.ext.viewcode',
     'sphinxcontrib.pecanwsme.rest',
-    'oslosphinx',
 ]
 
 wsme_protocols = ['restjson', 'restxml']
@@ -116,13 +115,12 @@ nitpicky = False
 # a list of builtin themes.
 # html_theme_path = ['.']
 # html_theme = '_theme'
+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
-# documentation.
-html_theme_options = {
-    "nosidebar": "false"
-}
+# openstackdocstheme options
+repository_name = 'openstack/ceilometer'
+bug_project = 'ceilometer'
+bug_tag = ''
 
 # Add any paths that contain custom themes here, relative to this directory.
 #html_theme_path = []
@@ -150,15 +148,8 @@ html_theme_options = {
 
 # 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'
-try:
-    git_cmd = ["git", "log", "--pretty=format:'%ad, commit %h'", "--date=local",
-               "-n1"]
-    html_last_updated_fmt = subprocess.check_output(git_cmd).decode('utf-8')
-except Exception:
-    warnings.warn('Cannot get last updated time from git repository. '
-                  'Not setting "html_last_updated_fmt".')
-
+# Must set this variable to include year, month, day, hours, and minutes.
+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 62e3b69ca7..77b4c371ad 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -38,7 +38,7 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'oslosphinx',
+    'openstackdocstheme',
     'reno.sphinxext',
 ]
 
@@ -112,7 +112,12 @@ 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'
+
+# openstackdocstheme options
+repository_name = 'openstack/ceilometer'
+bug_project = 'ceilometer'
+bug_tag = ''
 
 # 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
@@ -150,7 +155,8 @@ 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'
+# Must set this variable to include year, month, day, hours, and minutes.
+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 41f38a34ec..4076cf5e56 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,14 +9,13 @@ mock>=1.2 # BSD
 os-win>=0.2.3 # Apache-2.0
 oslo.cache>=1.5.0 # Apache-2.0
 # Docs Requirements
-openstackdocstheme>=1.0.3  # Apache-2.0
-oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
+openstackdocstheme>=1.11.0 # Apache-2.0
 reno>=1.6.2 # Apache2
 oslotest>=2.15.0 # Apache-2.0
 oslo.vmware>=1.16.0 # Apache-2.0
 python-subunit>=0.0.18 # Apache-2.0/BSD
 pyOpenSSL>=0.14  # Apache-2.0
-sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
+sphinx>=1.6.2  # BSD
 sphinxcontrib-httpdomain # BSD
 sphinxcontrib-pecanwsme>=0.8 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD