diff --git a/Gemfile b/Gemfile
index e67bf6e56d..1c4f332ec4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -127,7 +127,7 @@ group :development do
   gem 'letter_opener', '~> 1.7'
   gem 'letter_opener_web', '~> 1.3'
   gem 'memory_profiler'
-  gem 'rubocop', '~> 0.65', require: false
+  gem 'rubocop', '~> 0.66', require: false
   gem 'brakeman', '~> 4.5', require: false
   gem 'bundler-audit', '~> 0.6', require: false
   gem 'scss_lint', '~> 0.57', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index f9acb1d23e..fa09e89741 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -392,7 +392,7 @@ GEM
     paperclip-av-transcoder (0.6.4)
       av (~> 0.9.0)
       paperclip (>= 2.5.2)
-    parallel (1.13.0)
+    parallel (1.14.0)
     parallel_tests (2.28.0)
       parallel
     parser (2.6.0.0)
@@ -404,7 +404,6 @@ GEM
     pghero (2.2.0)
       activerecord
     pkg-config (1.3.7)
-    powerpack (0.1.2)
     premailer (1.11.1)
       addressable
       css_parser (>= 1.6.0)
@@ -529,15 +528,14 @@ GEM
       rspec-core (~> 3.0, >= 3.0.0)
       sidekiq (>= 2.4.0)
     rspec-support (3.8.0)
-    rubocop (0.65.0)
+    rubocop (0.66.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.5, != 2.5.1.1)
-      powerpack (~> 0.1)
       psych (>= 3.1.0)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (~> 1.4.0)
+      unicode-display_width (>= 1.4.0, < 1.6)
     ruby-progressbar (1.10.0)
     ruby-saml (1.9.0)
       nokogiri (>= 1.5.10)
@@ -632,7 +630,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.5)
-    unicode-display_width (1.4.1)
+    unicode-display_width (1.5.0)
     uniform_notifier (1.12.1)
     warden (1.2.7)
       rack (>= 1.0)
@@ -751,7 +749,7 @@ DEPENDENCIES
   rqrcode (~> 0.10)
   rspec-rails (~> 3.8)
   rspec-sidekiq (~> 3.0)
-  rubocop (~> 0.65)
+  rubocop (~> 0.66)
   sanitize (~> 5.0)
   scss_lint (~> 0.57)
   sidekiq (~> 5.2)