diff --git a/docs/conf.py b/docs/conf.py
index <HASH>..<HASH> 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -147,8 +147,10 @@ html_theme = "alabaster"
 # 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
 # documentation.
-#
-# html_theme_options = {}
+
+html_theme_options = {
+    "sidebar_collapse": False,
+}
 
 # Add any paths that contain custom themes here, relative to this directory.
 # html_theme_path = []
Expand the sidebar docs by default