diff --git a/src/services/missionInventoryUpdateService.ts b/src/services/missionInventoryUpdateService.ts
index 05b94b0a..4e5c3248 100644
--- a/src/services/missionInventoryUpdateService.ts
+++ b/src/services/missionInventoryUpdateService.ts
@@ -562,6 +562,13 @@ export const addMissionInventoryUpdates = async (
                 }
                 break;
             }
+            case "duviriCaveOffers": {
+                // Duviri cave offers (generated with the duviri seed) change after completing one of its game modes (not when aborting).
+                if (inventoryUpdates.MissionStatus != "GS_QUIT") {
+                    inventory.DuviriInfo.Seed = generateRewardSeed();
+                }
+                break;
+            }
             default:
                 // Equipment XP updates
                 if (equipmentKeys.includes(key as TEquipmentKey)) {
diff --git a/src/types/requestTypes.ts b/src/types/requestTypes.ts
index 441bf03e..736a0dcf 100644
--- a/src/types/requestTypes.ts
+++ b/src/types/requestTypes.ts
@@ -126,6 +126,15 @@ export type IMissionInventoryUpdateRequest = {
     creditsFee?: number; // the index
     InvasionProgress?: IInvasionProgressClient[];
     ConquestMissionsCompleted?: number;
+    duviriSuitSelection?: string;
+    duviriPistolSelection?: string;
+    duviriLongGunSelection?: string;
+    duviriMeleeSelection?: string;
+    duviriCaveOffers?: {
+        Seed: number | bigint;
+        Warframes: string[];
+        Weapons: string[];
+    };
 } & {
     [K in TEquipmentKey]?: IEquipmentClient[];
 };