diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index b93c29e..72d0da3 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config --no-offense-counts --no-auto-gen-timestamp`
-# using RuboCop version 1.54.2.
+# using RuboCop version 1.63.4.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -14,7 +14,7 @@ Lint/EmptyClass:
 
 # Configuration parameters: AllowedMethods, AllowedPatterns, CountRepeatedAttributes.
 Metrics/AbcSize:
-  Max: 42
+  Max: 43
 
 # Configuration parameters: AllowedMethods, AllowedPatterns.
 Metrics/CyclomaticComplexity:
diff --git a/spec/features/mixed_namespaces_spec.rb b/spec/features/mixed_namespaces_spec.rb
index cee5b2a..903fde6 100644
--- a/spec/features/mixed_namespaces_spec.rb
+++ b/spec/features/mixed_namespaces_spec.rb
@@ -80,7 +80,8 @@ class RootCollision
       <<~XML
         <?xml version="1.0" encoding="UTF-8"?>
         <address location='home' xmlns="http://www.unicornland.com/prefix"
-          xmlns:override="http://override.com/breaks">
+          xmlns:override="http://override.com/breaks"
+          xmlns:different="http://www.trollcountry.com/different">
           <street>Milchstrasse</street>
           <street>Another Street</street>
           <housenumber xmlns="http://override.com/breaks">23</housenumber>