diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 7758b8859e..a60d0bf4b2 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -20,8 +20,12 @@ module Mastodon
       'beta2'
     end
 
-    def suffix
-      '+YRYRh'
+    def prerelease
+      ENV['MASTODON_VERSION_PRERELEASE'].presence || default_prerelease
+    end
+
+    def build_metadata
+      'YRYRh'
     end
 
     def to_a