diff --git a/.hound.yml b/.hound.yml
index 2c4f3544b..0b423860b 100644
--- a/.hound.yml
+++ b/.hound.yml
@@ -1,6 +1,6 @@
 rubocop:
   config_file: .rubocop.yml
-  version: 0.75.0
+  version: 0.83.0
 scss:
   config_file: .scss-lint.yml
 erblint:
diff --git a/.rubocop.yml b/.rubocop.yml
index 3d300e690..5eb40177c 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -28,6 +28,9 @@ Capybara/FeatureMethods:
 FactoryBot/AttributeDefinedStatically:
   Enabled: true
 
+Layout/AssignmentIndentation:
+  Enabled: true
+
 Layout/EmptyLineAfterGuardClause:
   Enabled: true
 
@@ -58,21 +61,25 @@ Layout/EndOfLine:
 Layout/ExtraSpacing:
   Enabled: true
 
-Layout/IndentAssignment:
-  Enabled: true
-
-Layout/IndentHeredoc:
+Layout/HeredocIndentation:
   Enabled: true
 
 Layout/IndentationConsistency:
   EnforcedStyle: indented_internal_methods
 
+Layout/IndentationStyle:
+  Enabled: true
+
 Layout/IndentationWidth:
   Enabled: true
 
-Layout/LeadingBlankLines:
+Layout/LeadingEmptyLines:
   Enabled: true
 
+Layout/LineLength:
+  Max: 110
+  Severity: refactor
+
 Layout/MultilineBlockLayout:
   Enabled: true
 
@@ -146,10 +153,7 @@ Layout/SpaceInsideReferenceBrackets:
 Layout/SpaceInsideStringInterpolation:
   Enabled: true
 
-Layout/Tab:
-  Enabled: true
-
-Layout/TrailingBlankLines:
+Layout/TrailingEmptyLines:
   Enabled: true
 
 Layout/TrailingWhitespace:
@@ -167,22 +171,18 @@ Lint/LiteralAsCondition:
 Lint/ParenthesesAsGroupedExpression:
   Enabled: true
 
+Lint/RedundantStringCoercion:
+  Enabled: true
+
 Lint/SafeNavigationChain:
   Enabled: true
 
 Lint/ShadowingOuterLocalVariable:
   Enabled: true
 
-Lint/StringConversionInInterpolation:
-  Enabled: true
-
 Lint/UselessAssignment:
   Enabled: true
 
-Metrics/LineLength:
-  Max: 110
-  Severity: refactor
-
 Performance/CompareWithBlock:
   Enabled: true
 
diff --git a/Gemfile b/Gemfile
index 357bef31e..6b90aebc9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -98,8 +98,8 @@ group :development do
   gem "erb_lint", require: false
   gem "github_changelog_generator", "~> 1.15.0"
   gem "mdl", "~> 0.5.0", require: false
-  gem "rubocop", "~> 0.75.0", require: false
-  gem "rubocop-performance", "~> 1.4.1", require: false
+  gem "rubocop", "~> 0.83.0", require: false
+  gem "rubocop-performance", "~> 1.6.1", require: false
   gem "rubocop-rails", "~> 2.3.2", require: false
   gem "rubocop-rspec", "~> 1.35.0", require: false
   gem "rvm1-capistrano3", "~> 1.4.0", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 9e82d3ff6..0586bbb0d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -286,7 +286,6 @@ GEM
       railties (>= 3.1, < 6.0)
     invisible_captcha (0.10.0)
       rails (>= 3.2.0)
-    jaro_winkler (1.5.3)
     jquery-fileupload-rails (0.4.7)
       actionpack (>= 3.1)
       railties (>= 3.1)
@@ -391,10 +390,10 @@ GEM
       cocaine (~> 0.5.5)
       mime-types
       mimemagic (~> 0.3.0)
-    parallel (1.17.0)
+    parallel (1.19.1)
     paranoia (2.4.2)
       activerecord (>= 4.0, < 6.1)
-    parser (2.6.5.0)
+    parser (2.7.1.3)
       ast (~> 2.4.0)
     pg (0.21.0)
     pg_search (2.0.1)
@@ -454,6 +453,7 @@ GEM
       actionpack (>= 4.2.0, < 6.0)
       railties (>= 4.2.0, < 6.0)
     retriable (3.1.2)
+    rexml (3.2.4)
     rinku (2.0.4)
     rollbar (2.18.0)
       multi_json
@@ -474,14 +474,14 @@ GEM
       rspec-mocks (~> 3.8.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.0)
-    rubocop (0.75.0)
-      jaro_winkler (~> 1.5.1)
+    rubocop (0.83.0)
       parallel (~> 1.10)
-      parser (>= 2.6)
+      parser (>= 2.7.0.1)
       rainbow (>= 2.2.2, < 4.0)
+      rexml
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 1.7)
-    rubocop-performance (1.4.1)
+      unicode-display_width (>= 1.4.0, < 2.0)
+    rubocop-performance (1.6.1)
       rubocop (>= 0.71.0)
     rubocop-rails (2.3.2)
       rack (>= 1.1)
@@ -575,7 +575,7 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.1.19)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.6.0)
+    unicode-display_width (1.7.0)
     uniform_notifier (1.13.0)
     user_agent_parser (2.6.0)
     uuidtools (2.1.5)
@@ -676,8 +676,8 @@ DEPENDENCIES
   rinku (~> 2.0.2)
   rollbar (~> 2.18.0)
   rspec-rails (~> 3.8)
-  rubocop (~> 0.75.0)
-  rubocop-performance (~> 1.4.1)
+  rubocop (~> 0.83.0)
+  rubocop-performance (~> 1.6.1)
   rubocop-rails (~> 2.3.2)
   rubocop-rspec (~> 1.35.0)
   rvm1-capistrano3 (~> 1.4.0)
diff --git a/config/initializers/ckeditor.rb b/config/initializers/ckeditor.rb
index 127b5b626..90998af98 100644
--- a/config/initializers/ckeditor.rb
+++ b/config/initializers/ckeditor.rb
@@ -10,5 +10,5 @@ Ckeditor.setup do |config|
   config.assets_languages = Rails.application.config.i18n.available_locales.map { |l| l.to_s.downcase }
   config.assets_plugins = %w[image link magicline pastefromword table tableselection
                              tabletools]
-  config.assets.reject! { |asset| asset =~ /\Ackeditor\/samples\// }
+  config.assets.reject! { |asset| asset.starts_with?("ckeditor/samples/") }
 end