diff --git a/fog.gemspec b/fog.gemspec
index 5d58ac414..a43ef9fdb 100644
--- a/fog.gemspec
+++ b/fog.gemspec
@@ -54,7 +54,7 @@ Gem::Specification.new do |s|
 
   ## List your development dependencies here. Development dependencies are
   ## those that are only needed during development
-  s.add_development_dependency('jekyll')
+  s.add_development_dependency('jekyll') unless RUBY_PLATFORM == 'java'
   s.add_development_dependency('rake')
   s.add_development_dependency('rbvmomi')
   s.add_development_dependency('yard')
@@ -65,7 +65,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency('fission')
   s.add_development_dependency('pry')
   s.add_development_dependency('google-api-client', '~>0.6.2')
-#  s.add_development_dependency('ruby-libvirt','~>0.4.0')
+  s.add_development_dependency('ruby-libvirt','~>0.4.0') unless RUBY_PLATFORM == 'java'
 
   s.files = `git ls-files`.split("\n")
   s.test_files = `git ls-files -- {spec,tests}/*`.split("\n")