diff --git a/Gemfile.lock b/Gemfile.lock
index 1fe6279..d7c17c7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
     ast (2.3.0)
     autoprefixer-rails (6.5.4)
       execjs
-    bcrypt (3.1.11)
+    bcrypt (3.1.13)
     bootstrap-sass (3.3.7)
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
@@ -99,7 +99,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.5)
     connection_pool (2.2.1)
     coveralls (0.8.20)
       json (>= 1.8, < 3)
@@ -107,11 +107,12 @@ GEM
       term-ansicolor (~> 1.3)
       thor (~> 0.19.4)
       tins (~> 1.6)
+    crass (1.0.4)
     database_cleaner (1.5.3)
-    devise (4.2.1)
+    devise (4.6.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 4.1.0, < 5.1)
+      railties (>= 4.1.0, < 6.0)
       responders
       warden (~> 1.2.3)
     diff-lcs (1.3)
@@ -138,7 +139,8 @@ GEM
     has_scope (0.7.0)
       actionpack (>= 4.1, < 5.1)
       activesupport (>= 4.1, < 5.1)
-    i18n (0.8.1)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     inherited_resources (1.7.1)
       actionpack (>= 3.2, < 5.1)
       has_scope (~> 0.6)
@@ -170,7 +172,8 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.0.3)
+    loofah (2.2.3)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
@@ -178,13 +181,13 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
-    minitest (5.10.1)
+    mini_portile2 (2.4.0)
+    minitest (5.11.3)
     multipart-post (2.0.0)
     newrelic_rpm (4.1.0.333)
     nio4r (2.0.0)
-    nokogiri (1.7.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     parser (2.4.0.0)
       ast (~> 2.2)
@@ -201,7 +204,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (2.0.5)
     puma (3.8.2)
-    rack (2.0.1)
+    rack (2.0.7)
     rack-cors (0.4.1)
     rack-protection (1.5.3)
       rack
@@ -219,11 +222,11 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 5.0.2)
       sprockets-rails (>= 2.0.0)
-    rails-dom-testing (2.0.2)
-      activesupport (>= 4.2.0, < 6.0)
-      nokogiri (~> 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.2.0)
+      loofah (~> 2.2, >= 2.2.2)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
@@ -236,7 +239,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.2.1)
-    rake (12.0.0)
+    rake (12.3.3)
     ransack (1.8.2)
       actionpack (>= 3.0)
       activerecord (>= 3.0)
@@ -249,8 +252,9 @@ GEM
     redis (3.3.3)
     redis-namespace (1.5.3)
       redis (~> 3.0, >= 3.0.4)
-    responders (2.3.0)
-      railties (>= 4.2.0, < 5.1)
+    responders (3.0.0)
+      actionpack (>= 5.0)
+      railties (>= 5.0)
     rspec-core (3.5.4)
       rspec-support (~> 3.5.0)
     rspec-expectations (3.5.0)
@@ -315,11 +319,11 @@ GEM
     tins (1.13.2)
     tinymce-rails (4.6.4)
       railties (>= 3.1.1)
-    tzinfo (1.2.3)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     unicode-display_width (1.2.1)
-    warden (1.2.7)
-      rack (>= 1.0)
+    warden (1.2.8)
+      rack (>= 2.0.6)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.2)