diff --git a/neography.gemspec b/neography.gemspec
index b7fa858..664a97e 100644
--- a/neography.gemspec
+++ b/neography.gemspec
@@ -27,6 +27,6 @@ Gem::Specification.new do |s|
   s.add_dependency "rake", ">= 0.8.7"
   s.add_dependency "json", ">= 1.7.7"
   s.add_dependency "os", ">= 0.9.6"
-  s.add_dependency "rubyzip", ">= 0.9.7"
+  s.add_dependency "rubyzip", "~> 0.9.7"
   s.add_dependency "multi_json", ">= 1.3.2" 
 end