diff --git a/dingtalk.gemspec b/dingtalk.gemspec
index e24567b..6d38b9e 100644
--- a/dingtalk.gemspec
+++ b/dingtalk.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "rest-client", "~> 1.7.0"
-  spec.add_dependency "redis", "~> 3.2.0"
+  spec.add_dependency "redis", "~> 3.3"
 
   spec.add_development_dependency "bundler", "~> 1.10"
   spec.add_development_dependency "rake", "~> 10.0"
--
libgit2 0.21.0