diff --git a/capistrano-github.gemspec b/capistrano-github.gemspec
index 4602e91..fc91117 100644
--- a/capistrano-github.gemspec
+++ b/capistrano-github.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "capistrano", "~> 3.1"
-  spec.add_dependency "octokit", ">= 3.0", "< 4.0"
+  spec.add_dependency "octokit", ">= 4.0", "< 5.0"
 
   spec.add_development_dependency "bundler", "~> 1.5"
   spec.add_development_dependency "rake"