diff --git a/Gemfile.lock b/Gemfile.lock
index 503da0f..3ee826b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -178,7 +178,7 @@ GEM
     turbolinks (5.1.0)
       turbolinks-source (~> 5.1)
     turbolinks-source (5.1.0)
-    tzinfo (1.2.4)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.1.5)
       execjs (>= 0.3.0, < 3)