diff --git a/Gemfile.lock b/Gemfile.lock
index 7a3d442..03d7cb6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
       CFPropertyList
       naturally
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     xcodeproj (1.8.1)
       CFPropertyList (>= 2.3.3, < 4.0)