diff --git a/Gemfile.lock b/Gemfile.lock
index b81169417..c0deb2051 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,12 +43,12 @@ GEM
     addressable (2.4.0)
     arel (6.0.3)
     ast (2.2.0)
-    autoprefixer-rails (6.3.4)
+    autoprefixer-rails (6.3.6)
       execjs
-    biz (1.4.0)
+    biz (1.5.1)
       clavius (~> 1.0)
       tzinfo
-    browser (2.0.2)
+    browser (2.0.3)
     buftok (0.2.0)
     builder (3.2.2)
     childprocess (0.5.9)
@@ -140,8 +140,8 @@ GEM
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.10)
-    mail (2.6.3)
-      mime-types (>= 1.16, < 3)
+    mail (2.6.4)
+      mime-types (>= 1.16, < 4)
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
     method_source (0.8.2)
@@ -188,7 +188,7 @@ GEM
     omniauth-twitter (1.2.1)
       json (~> 1.3)
       omniauth-oauth (~> 1.1)
-    parser (2.3.0.6)
+    parser (2.3.0.7)
       ast (~> 2.2)
     pluginator (1.3.0)
     power_assert (0.2.7)
@@ -199,7 +199,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    puma (3.2.0)
+    puma (3.3.0)
     rack (1.6.4)
     rack-livereload (0.3.16)
       rack
@@ -232,20 +232,20 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.1.0)
-    rake (11.1.1)
+    rake (11.1.2)
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
     ref (2.0.0)
-    rubocop (0.38.0)
-      parser (>= 2.3.0.6, < 3.0)
+    rubocop (0.39.0)
+      parser (>= 2.3.0.7, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
     ruby-progressbar (1.7.5)
     rubyzip (1.2.0)
-    sass (3.4.21)
+    sass (3.4.22)
     sass-rails (5.0.4)
       railties (>= 4.0.0, < 5.0)
       sass (~> 3.1)
@@ -298,14 +298,13 @@ GEM
       simple_oauth (~> 0.3.0)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    uglifier (2.7.2)
-      execjs (>= 0.3.0)
-      json (>= 1.8.0)
+    uglifier (3.0.0)
+      execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.2)
-    unicode-display_width (1.0.2)
-    websocket (1.2.2)
+    unicode-display_width (1.0.3)
+    websocket (1.2.3)
     writeexcel (1.0.5)
     zendesk_api (1.13.4)
       faraday (~> 0.9)