diff --git a/Library/Homebrew/sorbet/rbi/gems/mechanize@2.8.3.rbi b/Library/Homebrew/sorbet/rbi/gems/mechanize@2.8.4.rbi
similarity index 99%
rename from Library/Homebrew/sorbet/rbi/gems/mechanize@2.8.3.rbi
rename to Library/Homebrew/sorbet/rbi/gems/mechanize@2.8.4.rbi
index 6885517c8e..e016ff23a5 100644
--- a/Library/Homebrew/sorbet/rbi/gems/mechanize@2.8.3.rbi
+++ b/Library/Homebrew/sorbet/rbi/gems/mechanize@2.8.4.rbi
@@ -192,6 +192,10 @@ end
 class Mechanize::CookieJar < ::HTTP::CookieJar
   def load(input, *options); end
   def save(output, *options); end
+
+  private
+
+  def load_yaml(yaml); end
 end
 
 module Mechanize::CookieJarIMethods