diff --git a/Gemfile.lock b/Gemfile.lock
index fe490296e..35d59e646 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -199,7 +199,7 @@ GEM
       racc (~> 1.4)
     null_logger (0.0.1)
     parallel (1.22.1)
-    parser (3.1.2.1)
+    parser (3.1.3.0)
       ast (~> 2.4.1)
     plek (4.1.0)
     progress (3.6.0)
@@ -264,7 +264,7 @@ GEM
       netrc (~> 0.8)
     rexml (3.2.5)
     rouge (4.0.0)
-    rubocop (1.37.1)
+    rubocop (1.39.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.2.1)
@@ -276,19 +276,19 @@ GEM
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.23.0)
       parser (>= 3.1.1.0)
-    rubocop-govuk (4.8.0)
-      rubocop (= 1.37.1)
+    rubocop-govuk (4.9.0)
+      rubocop (= 1.39.0)
       rubocop-ast (= 1.23.0)
-      rubocop-rails (= 2.17.1)
+      rubocop-rails (= 2.17.3)
       rubocop-rake (= 0.6.0)
-      rubocop-rspec (= 2.14.1)
-    rubocop-rails (2.17.1)
+      rubocop-rspec (= 2.15.0)
+    rubocop-rails (2.17.3)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (2.14.1)
+    rubocop-rspec (2.15.0)
       rubocop (~> 1.33)
     ruby-progressbar (1.11.0)
     ruby2_keywords (0.0.5)