diff --git a/Gemfile.lock b/Gemfile.lock
index 42854c2..a6d6d84 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,7 +54,7 @@ GEM
     sqlite3 (1.3.13)
     thread_safe (0.3.6)
     tilt (2.0.7)
-    tzinfo (1.2.3)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext