diff --git a/controllers/custom_wizard/admin/submissions.rb b/controllers/custom_wizard/admin/submissions.rb
index 682c4030..4cb2a0e4 100644
--- a/controllers/custom_wizard/admin/submissions.rb
+++ b/controllers/custom_wizard/admin/submissions.rb
@@ -23,7 +23,7 @@ class CustomWizard::AdminSubmissionsController < CustomWizard::AdminController
       content_type: "application/json",
       disposition: "attachment"
   end
-  
+
   protected
 
   def ordered_submissions
diff --git a/lib/custom_wizard/submission.rb b/lib/custom_wizard/submission.rb
index b937363d..47d2581a 100644
--- a/lib/custom_wizard/submission.rb
+++ b/lib/custom_wizard/submission.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class CustomWizard::Submission
   include ActiveModel::SerializerSupport
 
@@ -23,7 +24,7 @@ class CustomWizard::Submission
     if user_id
       @user = User.find_by(id: user_id)
     else
-      @user = wizard.user 
+      @user = wizard.user
     end
 
     data = data.with_indifferent_access
@@ -113,4 +114,4 @@ class CustomWizard::Submission
 
     result
   end
-end
\ No newline at end of file
+end
diff --git a/serializers/custom_wizard/submission_serializer.rb b/serializers/custom_wizard/submission_serializer.rb
index e150273d..52f0cb32 100644
--- a/serializers/custom_wizard/submission_serializer.rb
+++ b/serializers/custom_wizard/submission_serializer.rb
@@ -13,4 +13,4 @@ class CustomWizard::SubmissionSerializer < ApplicationSerializer
     object.user.username :
     I18n.t('admin.wizard.submission.no_user', user_id: object.user_id)
   end
-end
\ No newline at end of file
+end
diff --git a/spec/components/custom_wizard/submission_spec.rb b/spec/components/custom_wizard/submission_spec.rb
index 23855daf..a8c33861 100644
--- a/spec/components/custom_wizard/submission_spec.rb
+++ b/spec/components/custom_wizard/submission_spec.rb
@@ -40,4 +40,4 @@ describe CustomWizard::Submission do
   it "list submissions by wizard and user" do
     expect(described_class.list(@wizard, user_id: user.id).size).to eq(1)
   end
-end
\ No newline at end of file
+end