README.rdoc in assembly-objectfile-1.5.6 vs README.rdoc in assembly-objectfile-1.5.7

@@ -59,9 +59,10 @@
 - 1.5.2 Fix for Rails 4 and support for 'rake console'
 - 1.5.3 More gemfile updates
 - 1.5.4 jp2able? method now returns true even if profile description is missing; add new method which does a check for existing color profile in an image
 - 1.5.5 do not allow jp2s to have jp2s derivatives generated
 - 1.5.6 do a further check for alternate existence of color profile in exif
+- 1.5.7 include Gemfile.lock, pin Nokogiri to 1.5.x and ActiveSupport to 3.2.x
 
 ==Usage
 
 The gem currently has methods for:
 - filesize