diff --git a/Gemfile.lock b/Gemfile.lock
index 6408c8f..12a0b6e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -252,7 +252,7 @@ GEM
     tilt (2.0.8)
     timers (4.0.4)
       hitimes
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)
     valid_email (0.0.13)