diff --git a/fog-openstack.gemspec b/fog-openstack.gemspec
index a9ce9116..00c091d0 100644
--- a/fog-openstack.gemspec
+++ b/fog-openstack.gemspec
@@ -23,7 +23,6 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency 'fog-core',  '~> 2.1'
   spec.add_dependency 'fog-json',  '>= 1.0'
-  spec.add_dependency 'ipaddress', '>= 0.8'
 
   spec.add_development_dependency 'bundler'
   spec.add_development_dependency 'coveralls'