diff --git a/fog.gemspec b/fog.gemspec
index c78bb96ce..906f56db8 100644
--- a/fog.gemspec
+++ b/fog.gemspec
@@ -45,7 +45,6 @@ Gem::Specification.new do |s|
   s.add_dependency('net-ssh', '>=2.1.3')
   s.add_dependency('nokogiri', '~>1.5.0')
   s.add_dependency('ruby-hmac')
-  s.add_dependency('fission')
 
   ## List your development dependencies here. Development dependencies are
   ## those that are only needed during development
@@ -58,6 +57,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency('rbovirt', '>=0.0.5')
   s.add_development_dependency('shindo', '~>0.3.4')
   s.add_development_dependency('virtualbox', '~>0.9.1')
+  s.add_development_dependency('fission')
 #  s.add_development_dependency('ruby-libvirt','~>0.4.0')
 
   s.files = `git ls-files`.split("\n")