diff --git a/Gemfile.lock b/Gemfile.lock
index ef32334..958504a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     ruby_cowsay (0.1.2)
     thor (0.20.3)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     url_mount (0.2.1)
       rack