diff --git a/mkdocs.yml b/mkdocs.yml
index 1aa7349ae..64e4efc96 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -7,11 +7,14 @@ edit_uri: ../mailcow-dockerized-docs/edit/master/docs/
 remote_branch: gh-pages
 theme: material
 markdown_extensions:
-  - codehilite(guess_lang=true)
-  - toc(permalink=true)
+  - codehilite:
+      guess_lang: true
+  - toc:
+      permalink: true
   - admonition
   - pymdownx.magiclink
-  - pymdownx.tasklist(custom_checkbox=true)
+  - pymdownx.tasklist:
+      custom_checkbox: true
   - pymdownx.mark
   - pymdownx.tilde
   - pymdownx.extra