diff --git a/mkdocs.yml b/mkdocs.yml
index 870edb7..5ecfff6 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -63,6 +63,13 @@ theme:
     - search.share
     - content.action.edit
 
+markdown_extensions:
+  - pymdownx.superfences:
+      custom_fences:
+        - name: mermaid
+          class: mermaid
+          format: !!python/name:pymdownx.superfences.fence_code_format
+
 extra:
   analytics:
     provider: plausible