diff --git a/Gemfile.lock b/Gemfile.lock
index ed79223..c03e2e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,7 +69,7 @@ GEM
     thor (0.18.1)
     thread_safe (0.3.6)
     tilt (1.4.1)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     zabby (0.1.2)
       json