diff --git a/core/modules/locale/config/install/locale.settings.yml b/core/modules/locale/config/install/locale.settings.yml
index a6cd4f30439..3cfd42e3cb2 100644
--- a/core/modules/locale/config/install/locale.settings.yml
+++ b/core/modules/locale/config/install/locale.settings.yml
@@ -1,4 +1,5 @@
 cache_strings: true
+update_default_config_langcodes: true
 translate_english: false
 javascript:
   directory: languages
diff --git a/core/modules/locale/config/schema/locale.schema.yml b/core/modules/locale/config/schema/locale.schema.yml
index 7321f60113f..bf30c5428b8 100644
--- a/core/modules/locale/config/schema/locale.schema.yml
+++ b/core/modules/locale/config/schema/locale.schema.yml
@@ -7,6 +7,9 @@ locale.settings:
     cache_strings:
       type: boolean
       label: 'Cache strings'
+    update_default_config_langcodes:
+      type: boolean
+      label: 'Update default configuration langcodes when new modules or themes are installed.'
     translate_english:
       type: boolean
       label: 'Enable English translation'
diff --git a/core/modules/locale/locale.module b/core/modules/locale/locale.module
index 32adcb36c42..d095252487f 100644
--- a/core/modules/locale/locale.module
+++ b/core/modules/locale/locale.module
@@ -366,7 +366,12 @@ function locale_cron() {
  * Updates default configuration when new modules or themes are installed.
  */
 function locale_system_set_config_langcodes() {
-  \Drupal::service('locale.config_manager')->updateDefaultConfigLangcodes();
+  // Read update_default_config_langcodes from locale settings, fallback to the
+  // default value (TRUE) if it's not overridden.
+  $update_default_config_langcodes = \Drupal::config('locale.settings')->get('update_default_config_langcodes') ?? TRUE;
+  if ($update_default_config_langcodes) {
+    \Drupal::service('locale.config_manager')->updateDefaultConfigLangcodes();
+  }
 }
 
 /**
@@ -382,7 +387,6 @@ function locale_system_set_config_langcodes() {
 function locale_system_update(array $components) {
   $components += ['module' => [], 'theme' => []];
   $list = array_merge($components['module'], $components['theme']);
-
   // Skip running the translation imports if in the installer,
   // because it would break out of the installer flow. We have
   // built-in support for translation imports in the installer.
@@ -410,7 +414,11 @@ function locale_system_update(array $components) {
     // components. Do this even if import is not enabled because parsing new
     // configuration may expose new source strings.
     $module_handler->loadInclude('locale', 'inc', 'locale.bulk');
-    if ($batch = locale_config_batch_update_components([], [], [], TRUE)) {
+    // Read update_default_config_langcodes from locale settings, fallback to
+    // the default value (TRUE) if it's not overridden.
+    $update_default_config_langcodes = \Drupal::config('locale.settings')->get('update_default_config_langcodes') ?? TRUE;
+    if ($update_default_config_langcodes) {
+      $batch = locale_config_batch_update_components([], [], [], $update_default_config_langcodes);
       batch_set($batch);
     }
   }
diff --git a/core/modules/locale/src/Form/LocaleSettingsForm.php b/core/modules/locale/src/Form/LocaleSettingsForm.php
index be6bbfb2489..12d1a600df9 100644
--- a/core/modules/locale/src/Form/LocaleSettingsForm.php
+++ b/core/modules/locale/src/Form/LocaleSettingsForm.php
@@ -33,6 +33,12 @@ protected function getEditableConfigNames() {
    */
   public function buildForm(array $form, FormStateInterface $form_state) {
     $config = $this->config('locale.settings');
+    $form['update_default_config_langcodes'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Update default configuration when new modules or themes are installed.'),
+      '#config_target' => 'locale.settings:update_default_config_langcodes',
+      '#description' => $this->t("With this setting enabled, configuration langcodes will be updated to site's default language when installing new modules or themes. If this behaviour is not desired in your setup (i.e., langcodes need to be in a different language then the site's default one), disable it."),
+    ];
 
     $form['update_interval_days'] = [
       '#type' => 'radios',