diff --git a/Library/Homebrew/cmd/audit.rb b/Library/Homebrew/cmd/audit.rb
index 8d4ddcc68a..3951d35f8e 100644
--- a/Library/Homebrew/cmd/audit.rb
+++ b/Library/Homebrew/cmd/audit.rb
@@ -410,6 +410,10 @@ class FormulaAuditor
     if text =~ /skip_clean\s+:all/
       problem "`skip_clean :all` is deprecated; brew no longer strips symbols"
     end
+
+    if text =~ /depends_on (.*)\.new\s*[^(]/
+      problem "`depends_on` can take requirement classes directly"
+    end
   end
 
   def audit