diff --git a/Gemfile.lock b/Gemfile.lock
index e37f9d0..6c205e9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -137,7 +137,7 @@ GEM
     tilt (2.0.5)
     timers (4.0.4)
       hitimes
-    tzinfo (1.2.3)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicorn (5.2.0)
       kgio (~> 2.6)