diff --git a/docs_sphinx/conf.py b/docs_sphinx/conf.py
index 86beea1b6..925a010d0 100644
--- a/docs_sphinx/conf.py
+++ b/docs_sphinx/conf.py
@@ -86,6 +86,14 @@ def __getattr__(cls, name):
               'sphinx.ext.extlinks',
               'sphinx_tabs.tabs']
 
+# Set readthedocs theme if available
+try:
+    import sphinx_rtd_theme
+    extensions += ['sphinx_rtd_theme']
+    html_theme = 'sphinx_rtd_theme'
+except ImportError:
+    pass
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 
diff --git a/rtd-requirements.txt b/rtd-requirements.txt
index 618a784bb..ccc25a2d3 100644
--- a/rtd-requirements.txt
+++ b/rtd-requirements.txt
@@ -8,3 +8,4 @@ sphinx==1.8.6
 Jinja2<3.1.0
 commonmark==0.9.1
 recommonmark==0.5.0
+sphinx_rtd_theme