diff --git a/Library/Homebrew/test/dev-cmd/update_license_data_spec.rb b/Library/Homebrew/test/dev-cmd/update-license-data_spec.rb
similarity index 100%
rename from Library/Homebrew/test/dev-cmd/update_license_data_spec.rb
rename to Library/Homebrew/test/dev-cmd/update-license-data_spec.rb