diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index 08fdee1..abb499d 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -161,7 +161,7 @@ GEM
     sqlite3 (1.4.2)
     thor (1.0.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.6.1)
     websocket-driver (0.7.1)