diff --git a/docs/source/conf.py b/docs/source/conf.py
index 3e2f262..b1c8e1c 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -30,7 +30,7 @@
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 
-html_theme = 'alabaster'
+html_theme = 'sphinx_rtd_theme'
 html_static_path = ['_static']
 
 html_logo = 'ceda.png'