diff --git a/Gemfile.lock b/Gemfile.lock
index 12bcfb2..6012c01 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,7 +158,7 @@ GEM
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
     thread_safe (0.3.6)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.7.0)
     websocket (1.2.8)