diff --git a/doc/mkdocs.yml b/doc/mkdocs.yml
index b2dc29e5d..25b5f299b 100644
--- a/doc/mkdocs.yml
+++ b/doc/mkdocs.yml
@@ -121,7 +121,7 @@ dev_addr: 0.0.0.0:8965
 include_next_prev: false
 
 extra:
-  version: v0.21.0
+  version: v0.22.0
 
 markdown_extensions:
     - fenced_code