deps: lock in even more

squib.gemspec

@@ -28,8 +28,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(/^bin\//) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(/^(spec|samples|docs|benchmarks)\//)
   spec.require_paths = ['lib']
-
-  spec.add_runtime_dependency 'cairo',                 '1.15.9'
+  spec.add_runtime_dependency 'classy_hash',           '0.1.6'
   spec.add_runtime_dependency 'classy_hash',           '0.1.6'
   spec.add_runtime_dependency 'gio2',                  '3.1.8'
   spec.add_runtime_dependency 'gobject-introspection', '3.1.8'
@@ -37,16 +36,17 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'mercenary',             '0.3.6'
   spec.add_runtime_dependency 'nokogiri',              '1.8.0'
   spec.add_runtime_dependency 'pango',                 '3.1.8'
-  spec.add_runtime_dependency 'roo',                   '2.7.1'
+  spec.add_runtime_dependency 'roo',                   '2.7.1
   spec.add_runtime_dependency 'rsvg2',                 '3.1.8'
   spec.add_runtime_dependency 'ruby-progressbar',      '1.8.1'
 
+  spec.add_development_dependency 'bundler', '~> 1.13'
+  spec.add_development_dependency 'rake'
+  spec.add_development_dependency 'coveralls'
   # spec.add_development_dependency 'byebug'
-  spec.add_development_dependency 'bundler'
+  spec.add_development_dependency 'launchy'
   spec.add_development_dependency 'coveralls'
   spec.add_development_dependency 'game_icons'
-  spec.add_development_dependency 'launchy'
-  spec.add_development_dependency 'rake'
   spec.add_development_dependency 'rspec', '~> 3.3'