diff --git a/Gemfile.lock b/Gemfile.lock
index 13f5deade..5a636afbb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -257,7 +257,7 @@ GEM
       rexml
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 1.7)
-    rubocop-govuk (3.1.0)
+    rubocop-govuk (3.3.0)
       rubocop (= 0.80.1)
       rubocop-rails (~> 2)
       rubocop-rspec (~> 1.28)
diff --git a/lib/helpers/wraith_config_helper.rb b/lib/helpers/wraith_config_helper.rb
index 0578f6b68..e18066cdc 100644
--- a/lib/helpers/wraith_config_helper.rb
+++ b/lib/helpers/wraith_config_helper.rb
@@ -27,7 +27,7 @@ def build_paths
     config_paths = {}
 
     if @paths.is_a? Hash
-      @paths.keys.each do |key|
+      @paths.each_key do |key|
         @paths.fetch(key).each_with_index do |path, index|
           config_paths[path_index(key, index + 1)] = path
         end