diff --git a/Gemfile b/Gemfile
index f5737a7301..b70e5d2f65 100644
--- a/Gemfile
+++ b/Gemfile
@@ -47,6 +47,6 @@ group :development, :test do
   gem "jasmine_selenium_runner"
   gem "json_matchers"
   gem "rspec-rails"
-  gem "rubocop-govuk"
+  gem "rubocop-govuk", "4.0.0.pre.1", require: false
   gem "webmock"
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 4600f286e1..b7d3f9e3c3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,7 +64,7 @@ GEM
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     afm (0.2.2)
-    ast (2.4.1)
+    ast (2.4.2)
     aws-eventstream (1.1.0)
     aws-partitions (1.344.0)
     aws-sdk-core (3.104.2)
@@ -284,8 +284,8 @@ GEM
     omniauth-oauth2 (1.3.1)
       oauth2 (~> 1.0)
       omniauth (~> 1.2)
-    parallel (1.19.2)
-    parser (2.7.2.0)
+    parallel (1.20.1)
+    parser (3.0.1.0)
       ast (~> 2.4.1)
     pdf-reader (2.4.0)
       Ascii85 (~> 1.0.0)
@@ -369,32 +369,33 @@ GEM
       rspec-mocks (~> 3.10)
       rspec-support (~> 3.10)
     rspec-support (3.10.2)
-    rubocop (0.87.1)
+    rubocop (1.10.0)
       parallel (~> 1.10)
-      parser (>= 2.7.1.1)
+      parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.7)
+      regexp_parser (>= 1.8, < 3.0)
       rexml
-      rubocop-ast (>= 0.1.0, < 1.0)
+      rubocop-ast (>= 1.2.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (0.8.0)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.4.1)
       parser (>= 2.7.1.5)
-    rubocop-govuk (3.17.2)
-      rubocop (= 0.87.1)
-      rubocop-ast (= 0.8.0)
-      rubocop-rails (= 2.8.1)
+    rubocop-govuk (4.0.0.pre.1)
+      rubocop (~> 1.10.0)
+      rubocop-ast (~> 1.4.0)
+      rubocop-rails (~> 2.9.1)
       rubocop-rake (= 0.5.1)
-      rubocop-rspec (= 1.42.0)
-    rubocop-rails (2.8.1)
+      rubocop-rspec (~> 2.2.0)
+    rubocop-rails (2.9.1)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
-      rubocop (>= 0.87.0)
+      rubocop (>= 0.90.0, < 2.0)
     rubocop-rake (0.5.1)
       rubocop
-    rubocop-rspec (1.42.0)
-      rubocop (>= 0.87.0)
-    ruby-progressbar (1.10.1)
+    rubocop-rspec (2.2.0)
+      rubocop (~> 1.0)
+      rubocop-ast (>= 1.1.0)
+    ruby-progressbar (1.11.0)
     ruby-rc4 (0.1.5)
     ruby-vips (2.0.17)
       ffi (~> 1.9)
@@ -461,7 +462,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.7)
-    unicode-display_width (1.7.0)
+    unicode-display_width (2.0.0)
     unicorn (5.8.0)
       kgio (~> 2.6)
       raindrops (~> 0.7)
@@ -521,7 +522,7 @@ DEPENDENCIES
   rails (= 6.1.3.1)
   rinku
   rspec-rails
-  rubocop-govuk
+  rubocop-govuk (= 4.0.0.pre.1)
   rubyzip
   sanitize
   sassc-rails