diff --git a/Ruby/Gemfile.lock b/Ruby/Gemfile.lock
index efc6e7c..30dc9eb 100644
--- a/Ruby/Gemfile.lock
+++ b/Ruby/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
     thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)