diff --git a/fog.gemspec b/fog.gemspec
index d1a87a28f..66dcbd392 100644
--- a/fog.gemspec
+++ b/fog.gemspec
@@ -69,7 +69,7 @@ Gem::Specification.new do |s|
   s.add_dependency("fog-terremark")
   s.add_dependency("fog-vmfusion")
   s.add_dependency("fog-voxel")
-  s.add_dependency("fog-vsphere", "~> 0.2")
+  s.add_dependency("fog-vsphere", ">= 0.4.0")
   s.add_dependency("fog-xenserver")
   s.add_dependency("fog-aliyun",">= 0.1.0")