diff --git a/Gemfile.lock b/Gemfile.lock
index d6e4d3f..8887fee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,8 +2,8 @@ PATH
   remote: .
   specs:
     ajax_forms (0.0.19)
-      activeadmin (>= 1.0.0.pre4)
-      kaminari (~> 0.17.0)
+      activeadmin
+      kaminari (>= 1.0.1)
       rails (>= 4)
       ransack (~> 1.8.2)
       webpack-rails (~> 0.9.9)
@@ -11,123 +11,134 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.2.7.1)
-      actionpack (= 4.2.7.1)
-      actionview (= 4.2.7.1)
-      activejob (= 4.2.7.1)
+    actioncable (5.2.3)
+      actionpack (= 5.2.3)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+    actionmailer (5.2.3)
+      actionpack (= 5.2.3)
+      actionview (= 5.2.3)
+      activejob (= 5.2.3)
       mail (~> 2.5, >= 2.5.4)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.7.1)
-      actionview (= 4.2.7.1)
-      activesupport (= 4.2.7.1)
-      rack (~> 1.6)
-      rack-test (~> 0.6.2)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-dom-testing (~> 2.0)
+    actionpack (5.2.3)
+      actionview (= 5.2.3)
+      activesupport (= 5.2.3)
+      rack (~> 2.0)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (4.2.7.1)
-      activesupport (= 4.2.7.1)
+    actionview (5.2.3)
+      activesupport (= 5.2.3)
       builder (~> 3.1)
-      erubis (~> 2.7.0)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    activeadmin (1.0.0.pre4)
-      arbre (~> 1.0, >= 1.0.2)
-      bourbon
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activeadmin (1.4.3)
+      arbre (>= 1.1.1)
       coffee-rails
       formtastic (~> 3.1)
       formtastic_i18n
-      inherited_resources (~> 1.6)
-      jquery-rails
-      jquery-ui-rails
-      kaminari (~> 0.15)
-      rails (>= 3.2, < 5.1)
-      ransack (~> 1.3)
-      sass-rails
-      sprockets (< 4)
-    activejob (4.2.7.1)
-      activesupport (= 4.2.7.1)
-      globalid (>= 0.3.0)
-    activemodel (4.2.7.1)
-      activesupport (= 4.2.7.1)
-      builder (~> 3.1)
-    activerecord (4.2.7.1)
-      activemodel (= 4.2.7.1)
-      activesupport (= 4.2.7.1)
-      arel (~> 6.0)
-    activesupport (4.2.7.1)
-      i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
+      inherited_resources (>= 1.9.0)
+      jquery-rails (>= 4.2.0)
+      kaminari (>= 0.15)
+      railties (>= 4.2, < 5.3)
+      ransack (>= 1.8.7)
+      sass (~> 3.1)
+      sprockets (< 4.1)
+    activejob (5.2.3)
+      activesupport (= 5.2.3)
+      globalid (>= 0.3.6)
+    activemodel (5.2.3)
+      activesupport (= 5.2.3)
+    activerecord (5.2.3)
+      activemodel (= 5.2.3)
+      activesupport (= 5.2.3)
+      arel (>= 9.0)
+    activestorage (5.2.3)
+      actionpack (= 5.2.3)
+      activerecord (= 5.2.3)
+      marcel (~> 0.3.1)
+    activesupport (5.2.3)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    arbre (1.1.1)
+    arbre (1.2.1)
       activesupport (>= 3.0.0)
-    arel (6.0.3)
-    bcrypt (3.1.11)
-    bourbon (4.2.7)
-      sass (~> 3.4)
-      thor (~> 0.19)
-    builder (3.2.2)
+    arel (9.0.0)
+    bcrypt (3.1.13)
+    builder (3.2.3)
     byebug (9.0.5)
     coderay (1.1.1)
-    coffee-rails (4.2.1)
+    coffee-rails (5.0.0)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.2.x)
+      railties (>= 5.2.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
-    coffee-script-source (1.10.0)
-    concurrent-ruby (1.0.2)
-    devise (4.2.0)
+    coffee-script-source (1.12.2)
+    concurrent-ruby (1.1.5)
+    crass (1.0.5)
+    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)
+    erubi (1.9.0)
     execjs (2.7.0)
+    ffi (1.11.1)
     foreman (0.82.0)
       thor (~> 0.19.1)
-    formtastic (3.1.4)
+    formtastic (3.1.5)
       actionpack (>= 3.2.13)
     formtastic_i18n (0.6.0)
-    globalid (0.3.7)
-      activesupport (>= 4.1.0)
-    has_scope (0.6.0)
-      actionpack (>= 3.2, < 5)
-      activesupport (>= 3.2, < 5)
-    i18n (0.7.0)
-    inherited_resources (1.6.0)
-      actionpack (>= 3.2, < 5)
-      has_scope (~> 0.6.0.rc)
-      railties (>= 3.2, < 5)
-      responders
-    jquery-rails (4.2.1)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
+    has_scope (0.7.2)
+      actionpack (>= 4.1)
+      activesupport (>= 4.1)
+    i18n (1.7.0)
+      concurrent-ruby (~> 1.0)
+    inherited_resources (1.11.0)
+      actionpack (>= 5.0, < 6.1)
+      has_scope (~> 0.6)
+      railties (>= 5.0, < 6.1)
+      responders (>= 2, < 4)
+    jquery-rails (4.3.5)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    jquery-ui-rails (5.0.5)
-      railties (>= 3.2.16)
-    json (1.8.3)
-    kaminari (0.17.0)
-      actionpack (>= 3.0.0)
-      activesupport (>= 3.0.0)
-    loofah (2.0.3)
+    kaminari (1.1.1)
+      activesupport (>= 4.1.0)
+      kaminari-actionview (= 1.1.1)
+      kaminari-activerecord (= 1.1.1)
+      kaminari-core (= 1.1.1)
+    kaminari-actionview (1.1.1)
+      actionview
+      kaminari-core (= 1.1.1)
+    kaminari-activerecord (1.1.1)
+      activerecord
+      kaminari-core (= 1.1.1)
+    kaminari-core (1.1.1)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.6.4)
-      mime-types (>= 1.16, < 4)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    marcel (0.3.3)
+      mimemagic (~> 0.3.2)
     method_source (0.8.2)
-    mime-types (3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
-    minitest (5.9.0)
-    nokogiri (1.6.8)
-      mini_portile2 (~> 2.1.0)
-      pkg-config (~> 1.1.7)
+    mimemagic (0.3.3)
+    mini_mime (1.0.2)
+    mini_portile2 (2.4.0)
+    minitest (5.13.0)
+    nio4r (2.5.2)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
-    pkg-config (1.1.7)
-    polyamorous (1.3.1)
+    polyamorous (1.3.3)
       activerecord (>= 3.0)
     pry (0.10.4)
       coderay (~> 1.1.0)
@@ -136,74 +147,78 @@ GEM
     pry-byebug (3.4.0)
       byebug (~> 9.0)
       pry (~> 0.10)
-    rack (1.6.4)
-    rack-test (0.6.3)
-      rack (>= 1.0)
-    rails (4.2.7.1)
-      actionmailer (= 4.2.7.1)
-      actionpack (= 4.2.7.1)
-      actionview (= 4.2.7.1)
-      activejob (= 4.2.7.1)
-      activemodel (= 4.2.7.1)
-      activerecord (= 4.2.7.1)
-      activesupport (= 4.2.7.1)
-      bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.7.1)
-      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-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
-    railties (4.2.7.1)
-      actionpack (= 4.2.7.1)
-      activesupport (= 4.2.7.1)
+    rack (2.0.7)
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
+    rails (5.2.3)
+      actioncable (= 5.2.3)
+      actionmailer (= 5.2.3)
+      actionpack (= 5.2.3)
+      actionview (= 5.2.3)
+      activejob (= 5.2.3)
+      activemodel (= 5.2.3)
+      activerecord (= 5.2.3)
+      activestorage (= 5.2.3)
+      activesupport (= 5.2.3)
+      bundler (>= 1.3.0)
+      railties (= 5.2.3)
+      sprockets-rails (>= 2.0.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (5.2.3)
+      actionpack (= 5.2.3)
+      activesupport (= 5.2.3)
+      method_source
       rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
-    rake (11.2.2)
-    ransack (1.8.2)
+      thor (>= 0.19.0, < 2.0)
+    rake (13.0.0)
+    ransack (1.8.8)
       actionpack (>= 3.0)
       activerecord (>= 3.0)
       activesupport (>= 3.0)
       i18n
-      polyamorous (~> 1.3)
-    responders (2.3.0)
-      railties (>= 4.2.0, < 5.1)
-    sass (3.4.22)
-    sass-rails (5.0.6)
-      railties (>= 4.0.0, < 6)
-      sass (~> 3.1)
-      sprockets (>= 2.8, < 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
-      tilt (>= 1.1, < 3)
+      polyamorous (~> 1.3.2)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.10.0)
+      ffi (~> 1.0)
+    responders (3.0.0)
+      actionpack (>= 5.0)
+      railties (>= 5.0)
+    sass (3.7.4)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
     slop (3.6.0)
-    sprockets (3.7.0)
+    sprockets (4.0.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.1.1)
+    sprockets-rails (3.2.1)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.3.11)
-    thor (0.19.1)
-    thread_safe (0.3.5)
-    tilt (2.0.5)
-    tzinfo (1.2.2)
+    thor (0.19.4)
+    thread_safe (0.3.6)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    warden (1.2.6)
-      rack (>= 1.0)
-    webpack-rails (0.9.9)
-      rails (>= 3.2.0)
+    warden (1.2.8)
+      rack (>= 2.0.6)
+    webpack-rails (0.9.11)
+      railties (>= 3.2.0)
+    websocket-driver (0.7.1)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.4)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   ajax_forms!
-  devise (~> 4.2.0)
+  devise (~> 4.7.1)
   foreman
   pry (~> 0.10.4)
   pry-byebug (~> 3.4.0)
diff --git a/ajax_forms.gemspec b/ajax_forms.gemspec
old mode 100755
new mode 100644
index b6a28d2..ebe0781
--- a/ajax_forms.gemspec
+++ b/ajax_forms.gemspec
@@ -24,7 +24,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'webpack-rails', '~> 0.9.9'
 
   s.add_development_dependency "sqlite3", "~> 1.3.11"
-  s.add_development_dependency "devise", "~> 4.2.0"
+  s.add_development_dependency "devise", "~> 4.7.1"
   s.add_development_dependency "pry", "~> 0.10.4"
   s.add_development_dependency "pry-byebug", "~> 3.4.0"
   s.add_development_dependency 'foreman'