diff --git a/Gemfile b/Gemfile
index e925fb642..ab00df68e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,7 +19,7 @@ gem 'jquery-ui-rails'
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
 gem 'turbolinks'
 
-gem 'devise', '~> 3.5.6'
+gem 'devise', '~> 3.5.7'
 # Use ActiveModel has_secure_password
 # gem 'bcrypt', '~> 3.1.7'
 gem 'omniauth'
@@ -52,7 +52,7 @@ gem 'newrelic_rpm', '~> 3.14'
 gem 'whenever', require: false
 gem 'pg_search'
 
-gem 'ahoy_matey', '~> 1.2.1'
+gem 'ahoy_matey', '~> 1.4.0'
 gem 'groupdate'   # group temporary data
 gem 'tolk' # Web interface for translations
 
@@ -74,7 +74,7 @@ group :development, :test do
   gem 'quiet_assets'
   gem 'letter_opener_web', '~> 1.3.0'
   gem 'i18n-tasks'
-  gem 'capistrano', '3.4.0',           require: false
+  gem 'capistrano', '3.4.1',           require: false
   gem "capistrano-bundler", '1.1.4',   require: false
   gem "capistrano-rails", '1.1.6',     require: false
   gem "capistrano-rvm",                require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 755561fb2..12cb537d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,14 +49,15 @@ GEM
       activerecord (>= 3.2, < 5)
     acts_as_votable (0.10.0)
     addressable (2.4.0)
-    ahoy_matey (1.2.1)
+    ahoy_matey (1.4.0)
       addressable
-      browser (>= 0.4.0)
-      errbase
+      browser (~> 2.0)
       geocoder
-      rails
+      rack-attack
+      railties
       referer-parser (>= 0.3.0)
       request_store
+      safely_block
       user_agent_parser
       uuidtools
     akami (1.3.1)
@@ -70,15 +71,15 @@ GEM
     babel-transpiler (0.7.0)
       babel-source (>= 4.0, < 6)
       execjs (~> 2.0)
-    bcrypt (3.1.10)
-    browser (1.1.0)
+    bcrypt (3.1.11)
+    browser (2.0.3)
     builder (3.2.2)
     bullet (5.0.0)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.9.0)
-    byebug (8.2.2)
+    byebug (8.2.4)
     cancancan (1.13.1)
-    capistrano (3.4.0)
+    capistrano (3.4.1)
       i18n
       rake (>= 10.0.0)
       sshkit (~> 1.3)
@@ -91,9 +92,9 @@ GEM
     capistrano-rvm (0.1.2)
       capistrano (~> 3.0)
       sshkit (~> 1.2)
-    capistrano3-delayed-job (1.6.0)
+    capistrano3-delayed-job (1.7.0)
       capistrano (>= 3.0.0)
-    capybara (2.6.2)
+    capybara (2.7.0)
       addressable
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
@@ -125,14 +126,14 @@ GEM
       tins (~> 1.6.0)
     daemons (1.2.3)
     dalli (2.7.6)
-    database_cleaner (1.5.1)
+    database_cleaner (1.5.2)
     debug_inspector (0.0.2)
     delayed_job (4.1.1)
       activesupport (>= 3.0, < 5.0)
     delayed_job_active_record (4.1.0)
       activerecord (>= 3.0, < 5)
       delayed_job (>= 3.0, < 5)
-    devise (3.5.6)
+    devise (3.5.7)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 3.2.6, < 5)
@@ -154,16 +155,16 @@ GEM
     errbase (0.0.3)
     erubis (2.7.0)
     execjs (2.6.0)
-    factory_girl (4.5.0)
+    factory_girl (4.7.0)
       activesupport (>= 3.0.0)
-    factory_girl_rails (4.6.0)
-      factory_girl (~> 4.5.0)
+    factory_girl_rails (4.7.0)
+      factory_girl (~> 4.7.0)
       railties (>= 3.0.0)
     faker (1.6.3)
       i18n (~> 0.5)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
-    foundation-rails (6.2.0.1)
+    foundation-rails (6.2.1.0)
       railties (>= 3.1.0)
       sass (>= 3.3.0, < 3.5)
       sprockets-es6 (>= 0.9.0)
@@ -176,7 +177,7 @@ GEM
     fuubar (2.0.0)
       rspec (~> 3.0)
       ruby-progressbar (~> 1.4)
-    geocoder (1.3.1)
+    geocoder (1.3.4)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
     groupdate (2.5.2)
@@ -223,9 +224,11 @@ GEM
       railties (>= 3.2)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
-    mail (2.6.3)
-      mime-types (>= 1.16, < 3)
-    mime-types (2.99.1)
+    mail (2.6.4)
+      mime-types (>= 1.16, < 4)
+    mime-types (3.0)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2016.0221)
     mini_portile2 (2.0.0)
     minitest (5.8.4)
     multi_json (1.11.2)
@@ -233,7 +236,7 @@ GEM
     multipart-post (2.0.0)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
-    net-ssh (3.0.2)
+    net-ssh (3.1.1)
     newrelic_rpm (3.15.1.316)
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
@@ -284,6 +287,8 @@ GEM
     rack (1.6.4)
     rack-accept (0.4.5)
       rack (>= 0.4)
+    rack-attack (4.4.1)
+      rack
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.6)
@@ -314,7 +319,7 @@ GEM
     rake (11.1.2)
     redcarpet (3.3.4)
     referer-parser (0.3.0)
-    request_store (1.3.0)
+    request_store (1.3.1)
     responders (2.1.2)
       railties (>= 4.2.0, < 5.1)
     rinku (1.7.3)
@@ -343,7 +348,9 @@ GEM
     rspec-support (3.4.1)
     ruby-progressbar (1.7.5)
     safe_yaml (1.0.4)
-    sass (3.4.21)
+    safely_block (0.1.0)
+      errbase
+    sass (3.4.22)
     sass-rails (5.0.4)
       railties (>= 4.0.0, < 5.0)
       sass (~> 3.1)
@@ -365,10 +372,10 @@ GEM
       json (~> 1.8)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
-    spring (1.6.4)
+    spring (1.7.1)
     spring-commands-rspec (1.0.4)
       spring (>= 0.9.1)
-    sprockets (3.5.2)
+    sprockets (3.6.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-es6 (0.9.0)
@@ -379,7 +386,7 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    sshkit (1.8.1)
+    sshkit (1.9.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
     term-ansicolor (1.3.2)
@@ -432,13 +439,13 @@ PLATFORMS
 DEPENDENCIES
   acts-as-taggable-on
   acts_as_votable
-  ahoy_matey (~> 1.2.1)
+  ahoy_matey (~> 1.4.0)
   ancestry
   browser
   bullet
   byebug
   cancancan
-  capistrano (= 3.4.0)
+  capistrano (= 3.4.1)
   capistrano-bundler (= 1.1.4)
   capistrano-rails (= 1.1.6)
   capistrano-rvm
@@ -451,7 +458,7 @@ DEPENDENCIES
   dalli
   database_cleaner
   delayed_job_active_record (~> 4.1.0)
-  devise (~> 3.5.6)
+  devise (~> 3.5.7)
   devise-async
   email_spec
   factory_girl_rails
diff --git a/app/views/admin/spending_proposals/show.html.erb b/app/views/admin/spending_proposals/show.html.erb
index c54816071..64313e030 100644
--- a/app/views/admin/spending_proposals/show.html.erb
+++ b/app/views/admin/spending_proposals/show.html.erb
@@ -1,4 +1,4 @@
-<%= link_to admin_spending_proposals_path(SpendingProposal.filter_params(params)) do %>
+<%= link_to admin_spending_proposals_path(SpendingProposal.filter_params(params)), data: {no_turbolink: true} do %>
   <span class="icon-angle-left"></span> <%= t("admin.spending_proposals.show.back") %>
 <% end %>
 
diff --git a/app/views/debates/show.html.erb b/app/views/debates/show.html.erb
index b0aa58ce4..cfce656a2 100644
--- a/app/views/debates/show.html.erb
+++ b/app/views/debates/show.html.erb
@@ -56,7 +56,7 @@
         <h3><%= t("debates.show.share") %></h3>
         <div class="social-share-full">
           <%= social_share_button_tag("#{@debate.title} #{setting['twitter_hashtag']}") %>
-          <% if browser.mobile? %>
+          <% if browser.device.mobile? %>
             <a href="whatsapp://send?text=<%= @debate.title %> <%= debate_url(@debate) %>" data-action="share/whatsapp/share">
               <span class="icon-whatsapp whatsapp"></span>
             </a>
diff --git a/app/views/proposals/show.html.erb b/app/views/proposals/show.html.erb
index 6550ece24..0a5b35c0c 100644
--- a/app/views/proposals/show.html.erb
+++ b/app/views/proposals/show.html.erb
@@ -96,7 +96,7 @@
         <h3><%= t("proposals.show.share") %></h3>
         <div class="social-share-full">
           <%= social_share_button_tag("#{@proposal.title} #{setting['twitter_hashtag']}") %>
-          <% if browser.mobile? %>
+          <% if browser.device.mobile? %>
             <a href="whatsapp://send?text=<%= @proposal.title %> <%= proposal_url(@proposal) %>" data-action="share/whatsapp/share">
               <span class="icon-whatsapp whatsapp"></span>
             </a>
diff --git a/app/views/spending_proposals/show.html.erb b/app/views/spending_proposals/show.html.erb
index 99aab4e17..0da045860 100644
--- a/app/views/spending_proposals/show.html.erb
+++ b/app/views/spending_proposals/show.html.erb
@@ -44,7 +44,7 @@
       <h3><%= t("spending_proposals.show.share") %></h3>
       <div class="social-share-full">
         <%= social_share_button_tag("#{@spending_proposal.title} #{setting['twitter_hashtag']}") %>
-        <% if browser.mobile? %>
+        <% if browser.device.mobile? %>
           <a href="whatsapp://send?text=<%= @spending_proposal.title %> <%= spending_proposal_url(@spending_proposal) %>" data-action="share/whatsapp/share">
             <span class="icon-whatsapp whatsapp"></span>
           </a>
diff --git a/spec/features/admin/tags_spec.rb b/spec/features/admin/tags_spec.rb
index 74579c1b8..b944cdd9e 100644
--- a/spec/features/admin/tags_spec.rb
+++ b/spec/features/admin/tags_spec.rb
@@ -33,7 +33,7 @@ feature 'Admin tags' do
   scenario 'Update' do
     visit admin_tags_path
     featured_checkbox = find("#tag_featured_#{@tag1.id}")
-    expect(featured_checkbox.checked?).to be_nil
+    expect(featured_checkbox.checked?).to be_blank
 
     within("#edit_tag_#{@tag1.id}") do
       check "tag_featured_#{@tag1.id}"
@@ -42,7 +42,7 @@ feature 'Admin tags' do
 
     visit admin_tags_path
     featured_checkbox = find("#tag_featured_#{@tag1.id}")
-    expect(featured_checkbox.checked?).to eq('checked')
+    expect(featured_checkbox.checked?).to eq(true)
   end
 
   scenario 'Delete' do