diff --git a/Gemfile.lock b/Gemfile.lock
index ac2d67b..ccd4db5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -238,7 +238,7 @@ GEM
     thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
-    tzinfo (1.2.8)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.7.0)
     web-console (4.1.0)