diff --git a/ruby/Gemfile b/ruby/Gemfile
index cb75dfb..0191cf2 100644
--- a/ruby/Gemfile
+++ b/ruby/Gemfile
@@ -1,3 +1,3 @@
 source 'https://rubygems.org'
 gem "excon", "~> 0.20.1"
-gem "json", "~> 1.7.7"
+gem "json", "~> 1.8.0"