diff --git a/metadata.rb b/metadata.rb
index cd16000..b3f9b30 100644
--- a/metadata.rb
+++ b/metadata.rb
@@ -18,10 +18,10 @@ recipe           'openstack-block-storage::volume', 'Installs the cinder-volume
   supports os
 end
 
-depends 'apt', '>= 2.6.1', '< 3.0.0'
+depends 'apt', '~> 2.6.1'
 depends 'openstack-common', '>= 10.2.0'
 depends 'openstack-identity', '>= 10.0.0'
 depends 'openstack-image', '>= 10.0.0'
-depends 'selinux', '>= 0.7.2'
-depends 'python', '>= 1.4.6'
-depends 'ceph', '>= 0.8.0', '< 1.0.0'
+depends 'selinux', '~> 0.7.2'
+depends 'python', '~> 1.4.6'
+depends 'ceph', '~> 0.8.0'