Gemfile in jquery-mask-plugin-1.14.0 vs Gemfile in jquery-mask-plugin-1.15.0

@@ -1,6 +1,6 @@
-ruby '2.3.1'
-#ruby=2.3.1@jquery-mask-plugin
+ruby '2.4.1'
+#ruby=2.4.1@jquery-mask-plugin
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in jquery-mask-plugin.gemspec
-gemspec
\ No newline at end of file
+gemspec