diff --git a/doc/source/conf.py b/doc/source/conf.py
index 3cf4fb20..2d26f1f6 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -30,12 +30,17 @@ extensions = [
     'sphinx.ext.todo',
     'sphinx.ext.graphviz',
     'sphinx.ext.extlinks',
-    'oslosphinx',
+    'openstackdocstheme',
     'sphinx.ext.inheritance_diagram',
     'sphinx.ext.viewcode',
     'stevedore.sphinxext',
 ]
 
+# openstackdocstheme options
+repository_name = 'openstack/tooz'
+bug_project = 'tooz'
+bug_tag = ''
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 
@@ -102,7 +107,7 @@ 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
@@ -135,7 +140,7 @@ html_theme = 'default'
 
 # 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/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 025e37e7..f575b4d5 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/tooz'
+bug_project = 'tooz'
+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/setup.cfg b/setup.cfg
index eddd37a9..fbde2f3d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -73,7 +73,7 @@ test =
   os-testr>=0.8.0 # Apache-2.0
 doc =
   sphinx>=1.6.2 # BSD
-  oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
+  openstackdocstheme>=1.11.0 # Apache-2.0
   reno>=1.8.0 # Apache-2.0
 
 [wheel]