diff --git a/Library/Homebrew/cmd/update-report.rb b/Library/Homebrew/cmd/update-report.rb
index f8bc224b27..4e93e65481 100644
--- a/Library/Homebrew/cmd/update-report.rb
+++ b/Library/Homebrew/cmd/update-report.rb
@@ -193,7 +193,7 @@ class Reporter
       dst = Pathname.new paths.last
 
       next unless dst.extname == ".rb"
-      next unless paths.any? { |p| tap.formula_file?(p) }
+      next unless paths.any? { |p| tap.formula_file?(p) || tap.cask_file?(p)}
 
       case status
       when "A", "D"