diff --git a/Gemfile.lock b/Gemfile.lock
index 5b547d9..28bd8d0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -215,7 +215,7 @@ GEM
     thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     url (0.3.2)
     web-console (4.0.2)