diff --git a/Gemfile.lock b/Gemfile.lock
index db0b653..66f671d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -143,7 +143,7 @@ GEM
     sqlite3 (1.4.2)
     thor (1.0.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext