diff --git a/dingtalk.gemspec b/dingtalk.gemspec
index 3eeae1b..cbc8f36 100644
--- a/dingtalk.gemspec
+++ b/dingtalk.gemspec
@@ -27,6 +27,9 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
+  spec.add_dependency "rest-client", "~> 1.8.0"
+  spec.add_dependency "redis", "~> 3.2.0"
+
   spec.add_development_dependency "bundler", "~> 1.10"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec"
diff --git a/lib/dingtalk.rb b/lib/dingtalk.rb
index 21695f6..632ec9e 100644
--- a/lib/dingtalk.rb
+++ b/lib/dingtalk.rb
@@ -1,6 +1,11 @@
 require "dingtalk/version"
+require "dingtalk/config"
 require "dingtalk/pkcs7_encoder"
 require "dingtalk/prpcrypt"
+require "dingtalk/api"
+
+require 'redis'
+require "rest-client"
 
 module Dingtalk
   ENDPOINT = "https://oapi.dingtalk.com"
--
libgit2 0.21.0