diff --git a/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi b/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi
index a8e16c6787..61f3c427c0 100644
--- a/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi
+++ b/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi
@@ -8100,6 +8100,8 @@ module Homebrew::EnvConfig
 
   def self.curlrc?(); end
 
+  def self.debug?(); end
+
   def self.developer?(); end
 
   def self.disable_load_formula?(); end