diff --git a/Gemfile.lock b/Gemfile.lock
index 8f0be33..419ff46 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -327,7 +327,7 @@ GEM
       rubocop (~> 1.33)
     rubocop-graphql (1.3.0)
       rubocop (>= 0.87, < 2)
-    rubocop-performance (1.18.0)
+    rubocop-performance (1.19.1)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     rubocop-rails (2.21.2)
diff --git a/app/controllers/api/users_controller.rb b/app/controllers/api/users_controller.rb
index 59b8ee0..7622a59 100644
--- a/app/controllers/api/users_controller.rb
+++ b/app/controllers/api/users_controller.rb
@@ -61,6 +61,6 @@ def user_params
   end
 
   def tags_params
-    params['tags'].to_s.split(',').map(&:strip).map(&:downcase).compact_blank
+    params['tags'].to_s.split(',').map { |t| t.strip.downcase }.compact_blank
   end
 end
diff --git a/app/graphql/mutations/update_user.rb b/app/graphql/mutations/update_user.rb
index 091d33e..ad233f8 100644
--- a/app/graphql/mutations/update_user.rb
+++ b/app/graphql/mutations/update_user.rb
@@ -45,7 +45,7 @@ def mass_assign_attributes(attributes)
   end
 
   def tags_attributes(attributes)
-    attributes[:tags].to_s.split(',').map(&:strip).map(&:downcase).compact_blank
+    attributes[:tags].to_s.split(',').map { |t| t.strip.downcase }.compact_blank
   end
 
   def user(ident)