diff --git a/Gemfile.lock b/Gemfile.lock
index 7e26d9f..df6089a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
       diff-lcs (>= 1.1.3, < 2.0)
     rspec-mocks (2.13.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS