diff --git a/Gemfile.lock b/Gemfile.lock
index 42590ee..c1467d4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -196,7 +196,7 @@ GEM
       power_assert
     thor (1.0.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.7.0)
     warden (1.2.7)