diff --git a/Gemfile.lock b/Gemfile.lock
index 47c5ca1..961bdfc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,7 +96,7 @@ GEM
     ruby-macho (1.4.0)
     ruby-progressbar (1.9.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.4.0)
     xcodeproj (1.8.2)