diff --git a/Gemfile.lock b/Gemfile.lock
index dd90681..b5c965c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,7 +38,7 @@ GEM
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.4.0)
     sqlite3 (1.3.6)
-    tzinfo (0.3.35)
+    tzinfo (0.3.61)
 
 PLATFORMS
   ruby