diff --git a/Gemfile.lock b/Gemfile.lock
index 9699950..2679a17 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,13 +39,13 @@ GEM
     arel (6.0.3)
     autoprefixer-rails (6.3.7)
       execjs
-    bcrypt (3.1.11)
+    bcrypt (3.1.13)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
     bootstrap-sass (3.3.7)
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
-    builder (3.2.2)
+    builder (3.2.4)
     byebug (9.0.5)
     coffee-rails (4.1.1)
       coffee-script (>= 2.2.0)
@@ -55,18 +55,20 @@ GEM
       execjs
     coffee-script-source (1.10.0)
     concurrent-ruby (1.0.2)
+    crass (1.0.6)
     debug_inspector (0.0.2)
-    devise (4.2.0)
+    devise (4.7.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 4.1.0, < 5.1)
+      railties (>= 4.1.0)
       responders
       warden (~> 1.2.3)
     erubis (2.7.0)
     execjs (2.7.0)
     globalid (0.3.7)
       activesupport (>= 4.1.0)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.6.0)
       activesupport (>= 3.0.0, < 5.1)
       multi_json (~> 1.2)
@@ -74,24 +76,23 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.3)
-    loofah (2.0.3)
+    json (1.8.6)
+    loofah (2.4.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
-    minitest (5.9.0)
+    mini_portile2 (2.4.0)
+    minitest (5.14.0)
     multi_json (1.12.1)
-    nokogiri (1.6.8)
-      mini_portile2 (~> 2.1.0)
-      pkg-config (~> 1.1.7)
+    nokogiri (1.10.7)
+      mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     pg (0.18.4)
-    pkg-config (1.1.7)
-    rack (1.6.4)
+    rack (1.6.12)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.6)
@@ -107,12 +108,12 @@ GEM
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.7)
-      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 (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
@@ -123,11 +124,12 @@ GEM
       activesupport (= 4.2.6)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (11.2.2)
+    rake (13.0.1)
     rdoc (4.2.2)
       json (~> 1.4)
-    responders (2.2.0)
-      railties (>= 4.2.0, < 5.1)
+    responders (2.4.1)
+      actionpack (>= 4.2.0, < 6.0)
+      railties (>= 4.2.0, < 6.0)
     sass (3.4.22)
     sass-rails (5.0.6)
       railties (>= 4.0.0, < 6)
@@ -147,17 +149,17 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.3.11)
-    thor (0.19.1)
-    thread_safe (0.3.5)
+    thor (1.0.1)
+    thread_safe (0.3.6)
     tilt (2.0.5)
     turbolinks (5.0.1)
       turbolinks-source (~> 5)
     turbolinks-source (5.0.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.6)
       thread_safe (~> 0.1)
     uglifier (3.0.2)
       execjs (>= 0.3.0, < 3)
-    warden (1.2.6)
+    warden (1.2.7)
       rack (>= 1.0)
     web-console (2.3.0)
       activemodel (>= 4.0)