diff --git a/demos/homepage/Gemfile.lock b/demos/homepage/Gemfile.lock
index 147c3924b8..e51fa2588f 100644
--- a/demos/homepage/Gemfile.lock
+++ b/demos/homepage/Gemfile.lock
@@ -189,7 +189,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
-    tzinfo (1.2.3)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)