diff --git a/ffi-magic.gemspec b/ffi-magic.gemspec
index 622275b..f70de7b 100644
--- a/ffi-magic.gemspec
+++ b/ffi-magic.gemspec
@@ -11,7 +11,6 @@ Gem::Specification.new do |s|
   s.files = ["LICENSE", "MANIFEST", "README.md", "Rakefile", "doc/AUTHORS", "doc/CHANGELOG", "ffi-magic.gemspec", "lib/ffi-magic.rb", "lib/ffi-magic/version.rb", "spec/ffi-magic.rb", "spec/magic.png", "tasks/authors.rake", "tasks/changelog.rake", "tasks/gem.rake", "tasks/manifest.rake", "tasks/release.rake", "tasks/reversion.rake", "tasks/todo.rake"]
   s.homepage = %q{http://github.com/manveru/ffi-magic}
   s.require_paths = ["lib"]
-  s.rubygems_version = %q{1.3.7}
   s.summary = %q{FFI binding for libmagic.}
 
   if s.respond_to? :specification_version then
@@ -19,11 +18,11 @@ Gem::Specification.new do |s|
     s.specification_version = 3
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
-      s.add_runtime_dependency(%q<ffi>, ["~> 1.0.7"])
+      s.add_runtime_dependency(%q<ffi>, ["~> 1.9"])
     else
-      s.add_dependency(%q<ffi>, ["~> 1.0.7"])
+      s.add_dependency(%q<ffi>, ["~> 1.9"])
     end
   else
-    s.add_dependency(%q<ffi>, ["~> 1.0.7"])
+    s.add_dependency(%q<ffi>, ["~> 1.9"])
   end
 end