diff --git a/Gemfile.lock b/Gemfile.lock
index 8994e51..7bf3b2f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -128,7 +128,7 @@ GEM
     thor (1.0.1)
     thread_safe (0.3.6)
     tomlrb (1.2.8)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.6.1)
     websocket-driver (0.7.0)