diff --git a/Gemfile.lock b/Gemfile.lock
index 1a817451b..4c42ed1a2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,7 +111,7 @@ GEM
       unicode-display_width (~> 1.1, >= 1.1.1)
     thor (0.20.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.4.0)
     xcodeproj (1.7.0)