diff --git a/Gemfile.lock b/Gemfile.lock
index a6f1e25..9512cb8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -149,7 +149,7 @@ GEM
     sqlite3 (1.4.2)
     thor (1.1.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     websocket-driver (0.7.3)
       websocket-extensions (>= 0.1.0)