diff --git a/Gemfile.lock b/Gemfile.lock
index 445589c..de26b2e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -184,7 +184,7 @@ GEM
       websocket-driver
     thread_safe (0.3.6)
     timers (4.3.0)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uber (0.1.0)
     unicorn (5.5.4)