diff --git a/src/main/kotlin/com/dietmap/yaak/api/appstore/subscription/StatusUpdateNotification.kt b/src/main/kotlin/com/dietmap/yaak/api/appstore/subscription/StatusUpdateNotification.kt
index a3f19f2..8508594 100644
--- a/src/main/kotlin/com/dietmap/yaak/api/appstore/subscription/StatusUpdateNotification.kt
+++ b/src/main/kotlin/com/dietmap/yaak/api/appstore/subscription/StatusUpdateNotification.kt
@@ -8,7 +8,7 @@ import java.io.Serializable
 
 data class StatusUpdateNotification(
         @get:JsonProperty("environment") val environment: String?,
-        @get:JsonProperty("notification_type") val notificationType: AppStoreNotificationType,
+        @get:JsonProperty("notification_type") val notificationType: String?,
         @get:JsonProperty("latest_receipt") val latestReceipt: String?,
         @get:JsonProperty("latest_receipt_info") val latestReceiptInfo: LatestReceiptInfo,
         @get:JsonProperty("expiration_intent") val expirationIntent: String?,
@@ -80,7 +80,34 @@ enum class AppStoreNotificationType(private val code: Int) {
     /**
      * User has entered a price increase flow
      */
-    PRICE_INCREASE_CONSENT(8);
+    PRICE_INCREASE_CONSENT(8),
+
+    /**
+     * Indicates that the customer initiated a refund request for a consumable in-app purchase,
+     * and the App Store is requesting that you provide consumption data
+     */
+    CONSUMPTION_REQUEST(9),
+
+    /**
+     * Indicates that a customer’s subscription has successfully auto-renewed for a new transaction period.
+     * Provide the customer with access to the subscription’s content or service.
+     */
+    DID_RENEW(10),
+
+    /**
+     * Indicates that the App Store successfully refunded a transaction for a consumable in-app purchase,
+     * a non-consumable in-app purchase, or a non-renewing subscription. The cancellation_date_ms contains
+     * the timestamp of the refunded transaction. The original_transaction_id and product_id identify
+     * the original transaction and product. The cancellation_reason contains the reason.
+     */
+    REFUND(11),
+
+    /**
+     * Indicates that an in-app purchase the user was entitled to through Family Sharing is no longer
+     * available through sharing. StoreKit sends this notification when a purchaser disabled Family Sharing
+     * for a product, the purchaser (or family member) left the family group, or the purchaser asked for and received a refund.
+     */
+    REVOKE(12);
 
     companion object {
         private val codes = values().associateBy(AppStoreNotificationType::code)
diff --git a/src/main/kotlin/com/dietmap/yaak/domain/appstore/AppStoreSubscriptionService.kt b/src/main/kotlin/com/dietmap/yaak/domain/appstore/AppStoreSubscriptionService.kt
index 72a439e..e406957 100644
--- a/src/main/kotlin/com/dietmap/yaak/domain/appstore/AppStoreSubscriptionService.kt
+++ b/src/main/kotlin/com/dietmap/yaak/domain/appstore/AppStoreSubscriptionService.kt
@@ -101,7 +101,7 @@ class AppStoreSubscriptionService(private val userAppClient: UserAppClient, priv
         var notificationType = NotificationType.SUBSCRIPTION_PURCHASED
         val latestReceiptInfo = statusUpdateNotification.latestReceiptInfo
 
-        when (statusUpdateNotification.notificationType) {
+        when (val appStoreNotificationType = parseAppStoreNotificationTypeEnum(statusUpdateNotification.notificationType)) {
 
             // A subscription is first purchased
             AppStoreNotificationType.INITIAL_BUY -> {
@@ -119,14 +119,14 @@ class AppStoreSubscriptionService(private val userAppClient: UserAppClient, priv
             }
 
             // a customer downgrades
-            AppStoreNotificationType.DID_CHANGE_RENEWAL_PREF -> {
+            AppStoreNotificationType.DID_CHANGE_RENEWAL_PREF, AppStoreNotificationType.DID_CHANGE_RENEWAL_STATUS -> {
                 // auto_renewal_product_id - product customer will auto renew at
-
+                // skipping it
                 // latest_receipt_info.original_transaction_id
             }
 
             // customer support issues a refund
-            AppStoreNotificationType.CANCEL -> {
+            AppStoreNotificationType.CANCEL, AppStoreNotificationType.REVOKE, AppStoreNotificationType.REFUND -> {
                 // suspend service with a cancellation date?
 
                 notificationType = NotificationType.SUBSCRIPTION_CANCELED
@@ -158,12 +158,20 @@ class AppStoreSubscriptionService(private val userAppClient: UserAppClient, priv
                 // latest_receipt_info.expires_date_ms - date when the subscription will expire
             }
 
-            AppStoreNotificationType.DID_CHANGE_RENEWAL_STATUS -> {
-                // skipping it
+            AppStoreNotificationType.DID_RENEW -> {
+                // restore service for a renewed subscription
+                // update customer's subscription to active / subscribe
+
+                notificationType = NotificationType.SUBSCRIPTION_RENEWED;
             }
 
-            AppStoreNotificationType.PRICE_INCREASE_CONSENT -> {
-                // skipping it
+            null -> {
+                throw IllegalStateException("Missing or not recognised notification type.")
+            }
+
+            else -> {
+                logger.warn { "Notification type $appStoreNotificationType is not supported." }
+                return null
             }
         }
 
@@ -186,6 +194,9 @@ class AppStoreSubscriptionService(private val userAppClient: UserAppClient, priv
         return userAppClient.sendSubscriptionNotification(notification)
     }
 
+    private fun parseAppStoreNotificationTypeEnum(appStoreNotificationValue: String?): AppStoreNotificationType? =
+        AppStoreNotificationType.values().find { it.name.equals(appStoreNotificationValue, ignoreCase = true) }
+
     fun verifyReceipt(tenant: String?, receiptRequest: ReceiptRequest) = appStoreClient(tenant).verifyReceipt(receiptRequest)
 
     private fun appStoreClient(tenant: String?) =
diff --git a/src/test/kotlin/com/dietmap/yaak/api/appstore/subscription/SubscriptionControllerTest.kt b/src/test/kotlin/com/dietmap/yaak/api/appstore/subscription/SubscriptionControllerTest.kt
index 963c729..e98fef1 100644
--- a/src/test/kotlin/com/dietmap/yaak/api/appstore/subscription/SubscriptionControllerTest.kt
+++ b/src/test/kotlin/com/dietmap/yaak/api/appstore/subscription/SubscriptionControllerTest.kt
@@ -26,7 +26,7 @@ internal class SubscriptionControllerTest : SupportController() {
 
 
     private val testStatusUpdateNotification: StatusUpdateNotification = StatusUpdateNotification(
-            "sandbox", AppStoreNotificationType.CANCEL, "cancellationDate", latestReceiptInfo, "",
+            "sandbox", "CANCEL", "cancellationDate", latestReceiptInfo, "",
              "latestExpiredReceipt", true, "", "autoRenewProductId",
             "autoRenewStatusChangeDate", 12323230, unifiedReceipt)