diff --git a/Gemfile.lock b/Gemfile.lock
index 57dbd8e..1ceb6ab 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -242,7 +242,7 @@ GEM
     thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     warden (1.2.8)
       rack (>= 2.0.6)