diff --git a/docs/conf.py b/docs/conf.py
index 946cf8f..e016942 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -210,12 +210,18 @@ def patched_parse(self):
 
 # -- Options for HTML output ---------------------------------------------------
 
+# on_rtd is whether we are on readthedocs.org, this line of code grabbed from
+# docs.readthedocs.org
+on_rtd = os.environ.get("READTHEDOCS", None) == "True"
+
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-import sphinx_rtd_theme
-html_theme = "sphinx_rtd_theme"
-html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
-#html_theme = 'sphinxdoc'
+if not on_rtd:  # only import and set the theme if we're building docs locally
+    import sphinx_rtd_theme
+
+    html_theme = "sphinx_rtd_theme"
+    html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+# html_theme = 'sphinxdoc'
 
 # 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
@@ -290,6 +296,8 @@ def patched_parse(self):
 
 # This is the file name suffix for HTML files (e.g. ".xhtml").
 #html_file_suffix = None
+
+docs_versions_menu_conf = {'menu_title': 'Docs'}
 nbsphinx_prolog = r"""
 {% set docname = env.doc2path(env.docname, base='docs') %}