diff --git a/dynamo.cloudformation.yaml b/dynamo.cloudformation.yaml
index a888c8098..17655e6a0 100644
--- a/dynamo.cloudformation.yaml
+++ b/dynamo.cloudformation.yaml
@@ -85,6 +85,17 @@ Resources:
         StreamViewType: NEW_AND_OLD_IMAGES
       GlobalSecondaryIndexes:
         - IndexName: ios-endTimestamp-revalidation-index
+          KeySchema:
+            - AttributeName: subscriptionId
+              KeyType: HASH
+            - AttributeName: endTimestamp
+              KeyType: RANGE
+          Projection:
+            NonKeyAttributes:
+              - autoRenewing
+              - receipt
+            ProjectionType: INCLUDE
+        - IndexName: ios-endTimestamp-revalidation-index-with-platform
           KeySchema:
             - AttributeName: subscriptionId
               KeyType: HASH
diff --git a/typescript/src/revalidate-receipts/appleRevalidateReceipts.ts b/typescript/src/revalidate-receipts/appleRevalidateReceipts.ts
index 5af19e1ad..1912291e2 100644
--- a/typescript/src/revalidate-receipts/appleRevalidateReceipts.ts
+++ b/typescript/src/revalidate-receipts/appleRevalidateReceipts.ts
@@ -59,7 +59,7 @@ export async function handler(event: ScheduleEvent) {
     const queryScan = dynamoMapper.scan(
         EndTimeStampFilterSubscription,
         {
-            indexName: 'ios-endTimestamp-revalidation-index',
+            indexName: 'ios-endTimestamp-revalidation-index-with-platform',
             filter: filter
         });