diff --git a/Gemfile.lock b/Gemfile.lock
index e3f93c7..261f381 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,7 +158,7 @@ GEM
       sqlite3 (~> 1.3)
       thin (~> 1.5.0)
     method_source (0.8.2)
-    mime-types (2.4.3)
+    mime-types (2.5)
     mini_portile (0.5.3)
     minitest (4.7.5)
     multi_json (1.11.0)
@@ -277,7 +277,7 @@ GEM
     trollop (2.1.2)
     turbolinks (2.5.3)
       coffee-rails
-    tzinfo (0.3.43)
+    tzinfo (0.3.44)
     uglifier (2.7.1)
       execjs (>= 0.3.0)
       json (>= 1.8.0)