diff --git a/docs/mkdocs.yml b/docs/mkdocs.yml
index fd090fe5b..8a2228cc4 100644
--- a/docs/mkdocs.yml
+++ b/docs/mkdocs.yml
@@ -44,6 +44,7 @@ nav:
 markdown_extensions:
   - toc:
       permalink: true
+  - pymdownx.superfences
 theme:
   name: 'material'
   language: en