diff --git a/ruby/showoff/Gemfile.lock b/ruby/showoff/Gemfile.lock
index e5b5d44..0ebb451 100644
--- a/ruby/showoff/Gemfile.lock
+++ b/ruby/showoff/Gemfile.lock
@@ -15,7 +15,7 @@ GEM
   specs:
     blankslate (2.1.2.4)
     gli (2.5.6)
-    json (1.7.7)
+    json (2.5.1)
     nokogiri (1.5.9)
     parslet (1.5.0)
       blankslate (~> 2.0)