diff --git a/src/settingsCategories.js b/src/settingsCategories.js
index 363b9215..774a86da 100644
--- a/src/settingsCategories.js
+++ b/src/settingsCategories.js
@@ -123,6 +123,7 @@ export const categories = {
             'keyAllowObjectAssignment',
             'credentialsExpires',
             'credentialsExpiryAlert',
+            'credentialsExpiresReminderInDays',
             'minPasswordLength',
             'corsWhitelist',
             'recaptchaSite',
diff --git a/src/settingsFields.component.js b/src/settingsFields.component.js
index af4c8236..e20c631e 100644
--- a/src/settingsFields.component.js
+++ b/src/settingsFields.component.js
@@ -319,6 +319,9 @@ class SettingsFields extends React.Component {
                             ...addConditionallyHiddenStyles(mapping),
                         },
                         hintText: mapping.hintText,
+                        type: mapping.inputType,
+                        min: mapping.minValue,
+                        max: mapping.maxValue,
                     },
                     validators,
                 }
diff --git a/src/settingsKeyMapping.js b/src/settingsKeyMapping.js
index 8517e90b..35f9938d 100644
--- a/src/settingsKeyMapping.js
+++ b/src/settingsKeyMapping.js
@@ -553,9 +553,22 @@ const settingsKeyMapping = {
         },
     },
     credentialsExpiryAlert: {
-        label: i18n.t('Enable password expiry alerts'),
+        label: i18n.t('Send reminders to users before their password expires'),
         type: 'checkbox',
     },
+    credentialsExpiresReminderInDays: {
+        label: i18n.t(
+            'Number of days before password expiry to send reminder (1–28)'
+        ),
+        type: 'textfield',
+        inputType: 'number',
+        minValue: 1,
+        maxValue: 28,
+        hideWhen: {
+            settingsKey: 'credentialsExpiryAlert',
+            settingsValue: 'false',
+        },
+    },
     minPasswordLength: {
         label: i18n.t('Minimum characters in password'),
         type: 'dropdown',