diff --git a/mkdocs.yml b/mkdocs.yml
index 7e278b7f2..4bc6c955d 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -6,7 +6,7 @@ python:
         - requirements: docs/requirements.txt
 theme:
     name: readthedocs
-    navigation_depth: 6
+    navigation_depth: 3
 markdown_extensions:
     - admonition:
     - markdown_include.include: