diff --git a/multi_mail.gemspec b/multi_mail.gemspec
index f78d10b..ea2e923 100644
--- a/multi_mail.gemspec
+++ b/multi_mail.gemspec
@@ -15,7 +15,7 @@ Gem::Specification.new do |s|
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
-  s.add_runtime_dependency('faraday', '~> 0.9.0')
+  s.add_runtime_dependency('faraday', '~> 0.9')
   s.add_runtime_dependency('mail', '~> 2.5')
   s.add_runtime_dependency('rack')