diff --git a/rails5/Gemfile.lock b/rails5/Gemfile.lock
index f2170b4..854dbbc 100644
--- a/rails5/Gemfile.lock
+++ b/rails5/Gemfile.lock
@@ -153,7 +153,7 @@ GEM
       execjs
       rails (>= 3.1)
       railties (>= 3.1)
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)