diff --git a/Gemfile.lock b/Gemfile.lock
index b3a4ddc..9a13665 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -317,7 +317,7 @@ GEM
     tilt (2.0.9)
     tinymce-rails (5.0.12)
       railties (>= 3.1.1)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)