diff --git a/docs/conf.py b/docs/conf.py
index 6198b9b..ccd37ad 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -135,7 +135,7 @@ todo_include_todos = False
 # documentation.
 #
 html_theme_options = {
-    "collapse_navigation": False,
+    "collapse_navigation": True,
     "navigation_depth": -1
 }