diff --git a/squib.gemspec b/squib.gemspec
index 74d3f73..4954072 100644
--- a/squib.gemspec
+++ b/squib.gemspec
@@ -27,13 +27,13 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(/^(test|spec|features)\//)
   spec.require_paths = ['lib']
 
+  spec.add_runtime_dependency 'gobject-introspection', '~> 3.0.0' # for bug 172
+  spec.add_runtime_dependency 'gio2', '~> 3.0.0' # for bug 172
   spec.add_runtime_dependency 'cairo', '~> 1.15.2'
   spec.add_runtime_dependency 'pango', '~> 3.0.1'
   spec.add_runtime_dependency 'nokogiri', '~> 1.6.7'
   spec.add_runtime_dependency 'roo', '~> 2.4.0'
   spec.add_runtime_dependency 'rsvg2', '~> 3.0.0'
-  spec.add_runtime_dependency 'gobject-introspection', '~> 3.0.0' # for bug 172
-  spec.add_runtime_dependency 'gio2', '~> 3.0.0' # for bug 172
   spec.add_runtime_dependency 'mercenary', '~> 0.3.4'
   spec.add_runtime_dependency 'ruby-progressbar', '~> 1.8'