diff --git a/Gemfile.lock b/Gemfile.lock
index a8d805c..bd92c25 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
     netrc (0.11.0)
     ruby-macho (1.3.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     xcodeproj (1.7.0)
       CFPropertyList (>= 2.3.3, < 4.0)