diff --git a/src/controllers/api/inventoryController.ts b/src/controllers/api/inventoryController.ts
index 730756a1..213102b3 100644
--- a/src/controllers/api/inventoryController.ts
+++ b/src/controllers/api/inventoryController.ts
@@ -13,7 +13,8 @@ import {
     allDailyAffiliationKeys,
     cleanupInventory,
     createLibraryDailyTask,
-    generateRewardSeed
+    generateRewardSeed,
+    getCalendarProgress
 } from "@/src/services/inventoryService";
 import { logger } from "@/src/utils/logger";
 import { addString, catBreadHash } from "@/src/helpers/stringHelpers";
@@ -108,6 +109,8 @@ export const inventoryController: RequestHandler = async (request, response) =>
             }
         }
 
+        getCalendarProgress(inventory); // handle year rollover; the client expects to receive an inventory with an up-to-date CalendarProgress
+
         cleanupInventory(inventory);
 
         inventory.NextRefill = new Date((today + 1) * 86400000); // tomorrow at 0 UTC