diff --git a/Gemfile.lock b/Gemfile.lock
index c7f23b5a..889668fe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -308,7 +308,7 @@ GEM
       sprockets-rails (~> 3.4)
     tracks-chartjs-ror (3.6.4)
       rails (>= 3.1)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)