diff --git a/Gemfile.lock b/Gemfile.lock
index 606d684..b0bed42 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -231,7 +231,7 @@ GEM
       execjs (~> 2.7)
       less-rails (~> 2.8, >= 2.8.0)
       railties (~> 5.0, >= 5.0.1)
-    tzinfo (1.2.3)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)