diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 3ab39b4c08543b..2922ee3e636235 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -9,7 +9,7 @@ module Version
     # If you change the version number, also change the image version in docker-compose.yml.
 
     def kmyblue_major
-      20
+      21
     end
 
     def kmyblue_minor