diff --git a/Gemfile.lock b/Gemfile.lock
index 939a185f2..7c38cfebb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -277,14 +277,14 @@ GEM
       eventmachine (~> 1.0)
       rack (~> 1.0)
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     timecop (0.7.4)
     treetop (1.6.2)
       polyglot (~> 0.3)
     turbolinks (2.5.3)
       coffee-rails
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (2.7.2)
       execjs (>= 0.3.0)