diff --git a/Gemfile b/Gemfile
index f2a6cff..b78326e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,6 +3,6 @@ gem 'slack-ruby-client', '~> 0.7'
 gem 'dogapi', '~> 1.23'
 gem 'virtus', '~> 1.0'
 gem 'facets', '~> 3.1'
-gem 'thor',   '~> 0.19'
+gem 'thor',   '~> 1.0'
 gem 'aws-sdk','~> 2.6'
 gem 'json',   '~> 2.0'