README.md in sxp-1.0.2 vs README.md in sxp-1.1.0

@@ -8,11 +8,11 @@
 ## Features
 
 * Parses S-expressions in universal, [Scheme][], [Common Lisp][], or
   [SPARQL][] syntax.
 * Adds a `#to_sxp` method to Ruby objects.
-* Compatible with Ruby >= 2.2.2, Rubinius >= 3.0, and JRuby 9+.
+* Compatible with Ruby >= 2.4, Rubinius >= 3.0, and JRuby 9+.
 
 ## Examples
 
     require 'sxp'
 
@@ -72,11 +72,11 @@
   * {SXP::Generator}
 
 Dependencies
 ------------
 
-* [Ruby](http://ruby-lang.org/) (>= 2.2.2)
-* [RDF.rb](http://rubygems.org/gems/rdf) (~> 3.0), only needed for SPARQL
+* [Ruby](http://ruby-lang.org/) (>= 2.4)
+* [RDF.rb](http://rubygems.org/gems/rdf) (~> 3.1), only needed for SPARQL
   S-expressions
 
 Installation
 ------------