Gemfile in assert-2.19.0 vs Gemfile in assert-2.19.1

@@ -1,7 +1,9 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
-ruby "~>2.4"
+ruby "~> 2.5"
 
 gemspec
 
-gem "pry", "~> 0.12.2"
+gem "pry"