diff --git a/Gemfile.lock b/Gemfile.lock
index d4933bd..205f6b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
       rack (>= 1.0)
     sqlite3 (1.3.13)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS