Appraisals in sprockets-helpers-1.2.3 vs Appraisals in sprockets-helpers-1.3.0

@@ -38,6 +38,10 @@
   gem 'sprockets', '~> 3.1.0'
 end
 
 appraise 'sprockets-3.2' do
   gem 'sprockets', '~> 3.2.0'
-end
\ No newline at end of file
+end
+
+appraise 'sprockets-4.0' do
+  gem 'sprockets', '~> 4.0.0'
+end