diff --git a/Gemfile.lock b/Gemfile.lock
index 4278539..fb3c82b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -555,7 +555,7 @@ GEM
     tilt (2.0.10)
     tinymce-rails (6.0.3)
       railties (>= 3.1.1)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext