diff --git a/doc/source/conf.py b/doc/source/conf.py
index 993ee16..e46422d 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -65,6 +65,7 @@ pygments_style = 'sphinx'
 # html_theme_path = ["."]
 # html_theme = '_theme'
 # html_static_path = ['static']
+html_theme_options = {'incubating': True}
 
 # Output file base name for HTML help builder.
 htmlhelp_basename = '%sdoc' % project
diff --git a/requirements.txt b/requirements.txt
index 6e29eb6..072e1fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 pbr>=0.6,<1.0
-oslosphinx
+oslosphinx>=2.2.0.0a2
 sphinx>=1.1.2,<1.2