diff --git a/docs/conf.py b/docs/conf.py
index 6b15f80..c69f001 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -103,7 +103,7 @@ 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 = 'furo'
 
 # 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
diff --git a/requirements.txt b/requirements.txt
index 7f9c568..1122fc5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 Sphinx==7.1.1
+furo==2023.5.20