diff --git a/Gemfile b/Gemfile
index 1c1dd47e..f2634d94 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,4 +2,5 @@
 
 source "https://rubygems.org"
 
+gem "rest-client", "2.0.0"
 gemspec name: "nylas"
diff --git a/nylas.gemspec b/nylas.gemspec
index dfbe8b24..48eb614c 100644
--- a/nylas.gemspec
+++ b/nylas.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |gem|
 
   # Runtime dependencies
   gem.add_runtime_dependency "mime-types", "~> 3.5", ">= 3.5.1"
-  gem.add_runtime_dependency "rest-client", ">= 2.0.0", "< 3.0"
+  gem.add_runtime_dependency "rest-client", "~> 2", "< 3.0"
   gem.add_runtime_dependency "yajl-ruby", "~> 1.4.3", ">= 1.2.1"
 
   # Add remaining gem details and dev dependencies