diff --git a/fcm.gemspec b/fcm.gemspec
index 7691f63..3c19a16 100644
--- a/fcm.gemspec
+++ b/fcm.gemspec
@@ -19,6 +19,6 @@ 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', '~> 1')
+  s.add_runtime_dependency('faraday', '>= 1.0.0', '< 3.0')
   s.add_runtime_dependency('googleauth', '~> 1')
 end