rubyserial.gemspec in rubyserial-0.2.4 vs rubyserial.gemspec in rubyserial-0.3.0

@@ -13,7 +13,7 @@
 
   s.files         = `git ls-files`.split("\n")
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
-  s.add_runtime_dependency 'ffi', '~> 1.9.3'
+  s.add_runtime_dependency 'ffi', '~> 1.9', '>= 1.9.3'
 end