diff --git a/src/controllers/api/updateChallengeProgressController.ts b/src/controllers/api/updateChallengeProgressController.ts
index b948bb79..51eb88c3 100644
--- a/src/controllers/api/updateChallengeProgressController.ts
+++ b/src/controllers/api/updateChallengeProgressController.ts
@@ -11,8 +11,11 @@ export const updateChallengeProgressController: RequestHandler = async (req, res
 
     const inventory = await getInventory(
         account._id.toString(),
-        "ChallengeProgress SeasonChallengeHistory Affiliations"
+        "ChallengesFixVersion ChallengeProgress SeasonChallengeHistory Affiliations"
     );
+    if (challenges.ChallengesFixVersion !== undefined) {
+        inventory.ChallengesFixVersion = challenges.ChallengesFixVersion;
+    }
     let affiliationMods: IAffiliationMods[] = [];
     if (challenges.ChallengeProgress) {
         affiliationMods = addChallenges(
@@ -40,6 +43,7 @@ export const updateChallengeProgressController: RequestHandler = async (req, res
 };
 
 interface IUpdateChallengeProgressRequest {
+    ChallengesFixVersion?: number;
     ChallengeProgress?: IChallengeProgress[];
     SeasonChallengeHistory?: ISeasonChallenge[];
     SeasonChallengeCompletions?: ISeasonChallenge[];
diff --git a/src/models/inventoryModels/inventoryModel.ts b/src/models/inventoryModels/inventoryModel.ts
index a9335fa7..0daeb2c1 100644
--- a/src/models/inventoryModels/inventoryModel.ts
+++ b/src/models/inventoryModels/inventoryModel.ts
@@ -1703,7 +1703,7 @@ const inventorySchema = new Schema<IInventoryDatabase, InventoryDocumentProps>(
         LastInventorySync: Schema.Types.ObjectId,
         Mailbox: MailboxSchema,
         HandlerPoints: Number,
-        ChallengesFixVersion: { type: Number, default: 6 },
+        ChallengesFixVersion: Number,
         PlayedParkourTutorial: Boolean,
         //ActiveLandscapeTraps: [Schema.Types.Mixed],
         //RepVotes: [Schema.Types.Mixed],
diff --git a/src/types/inventoryTypes/inventoryTypes.ts b/src/types/inventoryTypes/inventoryTypes.ts
index 94149f7c..c3a8a7d1 100644
--- a/src/types/inventoryTypes/inventoryTypes.ts
+++ b/src/types/inventoryTypes/inventoryTypes.ts
@@ -234,7 +234,7 @@ export interface IInventoryClient extends IDailyAffiliations, InventoryClientEqu
     HandlerPoints: number;
     MiscItems: IMiscItem[];
     HasOwnedVoidProjectionsPreviously?: boolean;
-    ChallengesFixVersion: number;
+    ChallengesFixVersion?: number;
     ChallengeProgress: IChallengeProgress[];
     RawUpgrades: IRawUpgrade[];
     ReceivedStartingGear: boolean;