diff --git a/Gemfile.lock b/Gemfile.lock
index b74d7b7..1394938 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -122,7 +122,7 @@ GEM
     sqlite3 (1.3.13)
     thor (0.19.4)
     thread_safe (0.3.6)
-    tzinfo (1.2.3)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)