diff --git a/mkdocs.yml b/mkdocs.yml
index c6a7fbf..01d3341 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -24,7 +24,7 @@ markdown_extensions:
   - pymdownx.inlinehilite
   - pymdownx.keys
   - pymdownx.tabbed
-  - plantuml: 
+  - pymdownx.plantuml: 
       outpath: "images"
 plugins:
   - search