diff --git a/Gemfile.lock b/Gemfile.lock
index eb5abcb..b09066a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,7 @@ GEM
     ruby-progressbar (1.9.0)
     sqlite3 (1.3.13)
     thread_safe (0.3.6)
-    tzinfo (1.2.4)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS