diff --git a/lib/generators/simple_form/templates/config/initializers/simple_form_bootstrap.rb b/lib/generators/simple_form/templates/config/initializers/simple_form_bootstrap.rb
index 0178fd53..8036836c 100644
--- a/lib/generators/simple_form/templates/config/initializers/simple_form_bootstrap.rb
+++ b/lib/generators/simple_form/templates/config/initializers/simple_form_bootstrap.rb
@@ -57,7 +57,7 @@ SimpleForm.setup do |config|
     b.optional :pattern
     b.optional :min_max
     b.optional :readonly
-    b.use :label, class: 'form-control-label'
+    b.use :label
     b.use :input, class: 'form-control', error_class: 'is-invalid', valid_class: 'is-valid'
     b.use :full_error, wrap_with: { tag: 'div', class: 'invalid-feedback' }
     b.use :hint, wrap_with: { tag: 'small', class: 'form-text text-muted' }
@@ -116,7 +116,7 @@ SimpleForm.setup do |config|
   config.wrappers :vertical_multi_select, tag: 'div', class: 'form-group', error_class: 'form-group-invalid', valid_class: 'form-group-valid' do |b|
     b.use :html5
     b.optional :readonly
-    b.use :label, class: 'form-control-label'
+    b.use :label
     b.wrapper tag: 'div', class: 'd-flex flex-row justify-content-between align-items-center' do |ba|
       ba.use :input, class: 'form-control mx-1', error_class: 'is-invalid', valid_class: 'is-valid'
     end
@@ -177,7 +177,7 @@ SimpleForm.setup do |config|
   config.wrappers :horizontal_collection, item_wrapper_class: 'form-check', tag: 'div', class: 'form-group row', error_class: 'form-group-invalid', valid_class: 'form-group-valid' do |b|
     b.use :html5
     b.optional :readonly
-    b.use :label, class: 'col-sm-3 form-control-label'
+    b.use :label, class: 'col-sm-3 col-form-label'
     b.wrapper :grid_wrapper, tag: 'div', class: 'col-sm-9' do |ba|
       ba.use :input, class: 'form-check-input', error_class: 'is-invalid', valid_class: 'is-valid'
       ba.use :full_error, wrap_with: { tag: 'div', class: 'invalid-feedback d-block' }
@@ -189,7 +189,7 @@ SimpleForm.setup do |config|
   config.wrappers :horizontal_collection_inline, item_wrapper_class: 'form-check form-check-inline', tag: 'div', class: 'form-group row', error_class: 'form-group-invalid', valid_class: 'form-group-valid' do |b|
     b.use :html5
     b.optional :readonly
-    b.use :label, class: 'col-sm-3 form-control-label'
+    b.use :label, class: 'col-sm-3 col-form-label'
     b.wrapper :grid_wrapper, tag: 'div', class: 'col-sm-9' do |ba|
       ba.use :input, class: 'form-check-input', error_class: 'is-invalid', valid_class: 'is-valid'
       ba.use :full_error, wrap_with: { tag: 'div', class: 'invalid-feedback d-block' }
@@ -204,7 +204,7 @@ SimpleForm.setup do |config|
     b.optional :maxlength
     b.optional :minlength
     b.optional :readonly
-    b.use :label, class: 'col-sm-3 form-control-label'
+    b.use :label, class: 'col-sm-3 col-form-label'
     b.wrapper :grid_wrapper, tag: 'div', class: 'col-sm-9' do |ba|
       ba.use :input, error_class: 'is-invalid', valid_class: 'is-valid'
       ba.use :full_error, wrap_with: { tag: 'div', class: 'invalid-feedback d-block' }
@@ -216,7 +216,7 @@ SimpleForm.setup do |config|
   config.wrappers :horizontal_multi_select, tag: 'div', class: 'form-group row', error_class: 'form-group-invalid', valid_class: 'form-group-valid' do |b|
     b.use :html5
     b.optional :readonly
-    b.use :label, class: 'col-sm-3 control-label'
+    b.use :label, class: 'col-sm-3 col-form-label'
     b.wrapper :grid_wrapper, tag: 'div', class: 'col-sm-9' do |ba|
       ba.wrapper tag: 'div', class: 'd-flex flex-row justify-content-between align-items-center' do |bb|
         bb.use :input, class: 'form-control mx-1', error_class: 'is-invalid', valid_class: 'is-valid'
@@ -232,7 +232,7 @@ SimpleForm.setup do |config|
     b.use :placeholder
     b.optional :readonly
     b.optional :step
-    b.use :label, class: 'col-sm-3 form-control-label'
+    b.use :label, class: 'col-sm-3 col-form-label'
     b.wrapper :grid_wrapper, tag: 'div', class: 'col-sm-9' do |ba|
       ba.use :input, class: 'form-control-range', error_class: 'is-invalid', valid_class: 'is-valid'
       ba.use :full_error, wrap_with: { tag: 'div', class: 'invalid-feedback d-block' }
@@ -326,7 +326,7 @@ SimpleForm.setup do |config|
     b.optional :maxlength
     b.optional :minlength
     b.optional :readonly
-    b.use :label, class: 'form-control-label'
+    b.use :label
     b.wrapper :custom_file_wrapper, tag: 'div', class: 'custom-file' do |ba|
       ba.use :input, class: 'custom-file-input', error_class: 'is-invalid', valid_class: 'is-valid'
       ba.use :label, class: 'custom-file-label'
@@ -339,7 +339,7 @@ SimpleForm.setup do |config|
   config.wrappers :custom_multi_select, tag: 'div', class: 'form-group', error_class: 'form-group-invalid', valid_class: 'form-group-valid' do |b|
     b.use :html5
     b.optional :readonly
-    b.use :label, class: 'form-control-label'
+    b.use :label
     b.wrapper tag: 'div', class: 'd-flex flex-row justify-content-between align-items-center' do |ba|
       ba.use :input, class: 'custom-select mx-1', error_class: 'is-invalid', valid_class: 'is-valid'
     end
@@ -353,7 +353,7 @@ SimpleForm.setup do |config|
     b.use :placeholder
     b.optional :readonly
     b.optional :step
-    b.use :label, class: 'form-control-label'
+    b.use :label
     b.use :input, class: 'custom-range', error_class: 'is-invalid', valid_class: 'is-valid'
     b.use :full_error, wrap_with: { tag: 'div', class: 'invalid-feedback d-block' }
     b.use :hint, wrap_with: { tag: 'small', class: 'form-text text-muted' }
@@ -370,7 +370,7 @@ SimpleForm.setup do |config|
   #   b.optional :pattern
   #   b.optional :min_max
   #   b.optional :readonly
-  #   b.use :label, class: 'form-control-label'
+  #   b.use :label
   #   b.wrapper :input_group_tag, tag: 'div', class: 'input-group' do |ba|
   #     ba.optional :prepend
   #     ba.use :input, class: 'form-control', error_class: 'is-invalid', valid_class: 'is-valid'
@@ -393,7 +393,7 @@ SimpleForm.setup do |config|
     b.optional :min_max
     b.optional :readonly
     b.use :input, class: 'form-control', error_class: 'is-invalid', valid_class: 'is-valid'
-    b.use :label, class: 'form-control-label'
+    b.use :label
     b.use :full_error, wrap_with: { tag: 'div', class: 'invalid-feedback' }
     b.use :hint, wrap_with: { tag: 'small', class: 'form-text text-muted' }
   end
@@ -403,7 +403,7 @@ SimpleForm.setup do |config|
     b.use :html5
     b.optional :readonly
     b.use :input, class: 'custom-select custom-select-lg', error_class: 'is-invalid', valid_class: 'is-valid'
-    b.use :label, class: 'form-control-label'
+    b.use :label
     b.use :full_error, wrap_with: { tag: 'div', class: 'invalid-feedback' }
     b.use :hint, wrap_with: { tag: 'small', class: 'form-text text-muted' }
   end