diff --git a/Gemfile.lock b/Gemfile.lock
index 80ddba4..3689294 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.8.0)
     sqlite3 (1.3.5)
-    tzinfo (0.3.31)
+    tzinfo (0.3.61)
 
 PLATFORMS
   ruby