diff --git a/Gemfile.lock b/Gemfile.lock
index b798890..44edc08 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,7 @@ GEM
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.6.0)
     sqlite3 (1.3.4)
-    tzinfo (0.3.29)
+    tzinfo (0.3.61)
 
 PLATFORMS
   ruby