diff --git a/Gemfile.lock b/Gemfile.lock
index f9cfb27..1d86ed9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,7 +62,7 @@ GEM
       rack (>= 0.9.0)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    builder (3.2.2)
+    builder (3.2.4)
     byebug (3.5.1)
       columnize (~> 0.8)
       debugger-linecache (~> 1.2)
@@ -82,6 +82,8 @@ GEM
       execjs
     coffee-script-source (1.9.1)
     columnize (0.9.0)
+    concurrent-ruby (1.1.8)
+    crass (1.0.6)
     debug_inspector (0.0.2)
     debugger-linecache (1.2.0)
     diff-lcs (1.2.5)
@@ -126,7 +128,8 @@ GEM
     hashie (3.4.0)
     hike (1.2.3)
     hitimes (1.2.2)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.2.10)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
@@ -134,28 +137,31 @@ GEM
       rails-dom-testing (~> 1.0)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.2)
+    json (1.8.6)
     jwt (1.4.1)
+    kgio (2.11.3)
     listen (2.8.5)
       celluloid (>= 0.15.2)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
-    loofah (2.0.1)
+    loofah (2.9.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     method_source (0.8.2)
     mime-types (2.4.3)
-    mini_portile (0.6.2)
-    minitest (5.5.1)
+    mini_portile2 (2.5.1)
+    minitest (5.14.4)
     multi_json (1.11.0)
     multi_xml (0.5.5)
     multipart-post (2.0.0)
     nenv (0.2.0)
     netrc (0.10.3)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     notiffany (0.0.5)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -196,7 +202,8 @@ GEM
       pry (>= 0.9.10)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.6.0)
+    racc (1.5.2)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.0)
@@ -210,14 +217,14 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 4.2.0)
       sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
+    rails-deprecated_sanitizer (1.0.4)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.5)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.1)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     rails-observers (0.1.2)
       activemodel (~> 4.0)
     rails_12factor (0.0.3)
@@ -230,6 +237,7 @@ GEM
       activesupport (= 4.2.0)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
+    raindrops (0.19.1)
     rake (10.4.2)
     rb-fsevent (0.9.4)
     rb-inotify (0.9.5)
@@ -283,15 +291,18 @@ GEM
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
     thor (0.19.1)
-    thread_safe (0.3.4)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     timers (4.0.1)
       hitimes
-    tzinfo (1.2.2)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     uglifier (2.7.1)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
+    unicorn (6.0.0)
+      kgio (~> 2.6)
+      raindrops (~> 0.7)
     web-console (2.1.1)
       activemodel (>= 4.0)
       binding_of_caller (>= 0.7.2)
@@ -333,6 +344,7 @@ DEPENDENCIES
   sdoc (~> 0.4.0)
   spring
   uglifier (>= 1.3.0)
+  unicorn
   web-console (~> 2.0)
   wikipedia-client