diff --git a/Gemfile.lock b/Gemfile.lock
index 23c2b38..86e1c7c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -107,11 +107,11 @@ GEM
       libv8 (~> 3.16.14.0)
       ref
     thor (0.19.1)
-    thread_safe (0.3.4)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     turbolinks (2.5.2)
       coffee-rails
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (2.5.3)
       execjs (>= 0.3.0)