diff --git a/Gemfile.lock b/Gemfile.lock
index 034eb0f..d364399 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -238,7 +238,7 @@ GEM
     thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext