diff --git a/Gemfile.lock b/Gemfile.lock
index 2e02ba0b4..5940867de 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,8 +110,8 @@ GEM
       money (~> 6.7)
       nokogiri (~> 1.5)
       sanitize (~> 4.6)
-    govuk-lint (3.7.0)
-      rubocop (~> 0.51.0)
+    govuk-lint (3.8.0)
+      rubocop (~> 0.52.0)
       rubocop-rspec (~> 1.19.0)
       scss_lint
     govuk_ab_testing (2.4.1)
@@ -245,8 +245,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rainbow (2.2.2)
-      rake
+    rainbow (3.0.0)
     raindrops (0.19.0)
     rake (12.3.1)
     rb-fsevent (0.10.3)
@@ -260,11 +259,11 @@ GEM
       netrc (~> 0.8)
     robotex (1.0.0)
     rouge (3.1.1)
-    rubocop (0.51.0)
+    rubocop (0.52.1)
       parallel (~> 1.10)
-      parser (>= 2.3.3.1, < 3.0)
+      parser (>= 2.4.0.2, < 3.0)
       powerpack (~> 0.1)
-      rainbow (>= 2.2.2, < 3.0)
+      rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
     rubocop-rspec (1.19.0)