diff --git a/Gemfile.lock b/Gemfile.lock
index 0806a1a..c59ea10 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -174,7 +174,7 @@ GEM
     sqlite3 (1.4.2)
     thor (1.0.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)