README.md in simple_calendar-3.0.2 vs README.md in simple_calendar-3.0.3

@@ -20,10 +20,10 @@
 Installation
 ------------
 
 Just add this into your Gemfile followed by a bundle install:
 ```ruby
-gem "simple_calendar", "~> 2.4"
+gem "simple_calendar"
 ```
 
 If you're using Bootstrap, the calendar should already have a border and
 nice spacing for days.