diff --git a/packages/blueprints-integration/src/ingest.ts b/packages/blueprints-integration/src/ingest.ts
index 09e68557dd..ff5cf74b4c 100644
--- a/packages/blueprints-integration/src/ingest.ts
+++ b/packages/blueprints-integration/src/ingest.ts
@@ -255,7 +255,10 @@ export interface MutableIngestRundown<TRundownPayload = unknown, TSegmentPayload
 	 * @param key the key of the payload to update
 	 * @param value the new value
 	 */
-	setPayloadProperty<TKey extends keyof TRundownPayload>(key: TKey, value: TRundownPayload[TKey]): void
+	setPayloadProperty<TKey extends keyof TRundownPayload>(
+		key: TKey,
+		value: ReadonlyDeep<TRundownPayload[TKey]> | TRundownPayload[TKey]
+	): void
 
 	setUserEditState(key: string, value: boolean): void
 }
@@ -339,7 +342,10 @@ export interface MutableIngestSegment<TSegmentPayload = unknown, TPartPayload =
 	 * @param key the key of the payload to update
 	 * @param value the new value
 	 */
-	setPayloadProperty<TKey extends keyof TSegmentPayload>(key: TKey, value: TSegmentPayload[TKey]): void
+	setPayloadProperty<TKey extends keyof TSegmentPayload>(
+		key: TKey,
+		value: ReadonlyDeep<TSegmentPayload[TKey]> | TSegmentPayload[TKey]
+	): void
 
 	setUserEditState(key: string, value: boolean): void
 }
@@ -373,7 +379,10 @@ export interface MutableIngestPart<TPartPayload = unknown> {
 	 * @param key the key of the payload to update
 	 * @param value the new value
 	 */
-	setPayloadProperty<TKey extends keyof TPartPayload>(key: TKey, value: TPartPayload[TKey]): void
+	setPayloadProperty<TKey extends keyof TPartPayload>(
+		key: TKey,
+		value: ReadonlyDeep<TPartPayload[TKey]> | TPartPayload[TKey]
+	): void
 
 	setUserEditState(key: string, value: boolean): void
 }
diff --git a/packages/job-worker/src/blueprints/ingest/MutableIngestPartImpl.ts b/packages/job-worker/src/blueprints/ingest/MutableIngestPartImpl.ts
index 489b00f353..0003413b0c 100644
--- a/packages/job-worker/src/blueprints/ingest/MutableIngestPartImpl.ts
+++ b/packages/job-worker/src/blueprints/ingest/MutableIngestPartImpl.ts
@@ -42,7 +42,10 @@ export class MutableIngestPartImpl<TPartPayload = unknown> implements MutableIng
 		}
 	}
 
-	setPayloadProperty<TKey extends keyof TPartPayload>(key: TKey, value: TPartPayload[TKey]): void {
+	setPayloadProperty<TKey extends keyof TPartPayload>(
+		key: TKey,
+		value: ReadonlyDeep<TPartPayload[TKey]> | TPartPayload[TKey]
+	): void {
 		if (!this.#ingestPart.payload) {
 			throw new Error('Part payload is not set')
 		}
diff --git a/packages/job-worker/src/blueprints/ingest/MutableIngestRundownImpl.ts b/packages/job-worker/src/blueprints/ingest/MutableIngestRundownImpl.ts
index 8cefec9a69..b6078e6903 100644
--- a/packages/job-worker/src/blueprints/ingest/MutableIngestRundownImpl.ts
+++ b/packages/job-worker/src/blueprints/ingest/MutableIngestRundownImpl.ts
@@ -103,7 +103,10 @@ export class MutableIngestRundownImpl<TRundownPayload = unknown, TSegmentPayload
 		}
 	}
 
-	setPayloadProperty<TKey extends keyof TRundownPayload>(key: TKey, value: TRundownPayload[TKey]): void {
+	setPayloadProperty<TKey extends keyof TRundownPayload>(
+		key: TKey,
+		value: ReadonlyDeep<TRundownPayload[TKey]> | TRundownPayload[TKey]
+	): void {
 		if (!this.ingestRundown.payload) {
 			throw new Error('Rundown payload is not set')
 		}
diff --git a/packages/job-worker/src/blueprints/ingest/MutableIngestSegmentImpl.ts b/packages/job-worker/src/blueprints/ingest/MutableIngestSegmentImpl.ts
index 8de76a1626..ba91a21e73 100644
--- a/packages/job-worker/src/blueprints/ingest/MutableIngestSegmentImpl.ts
+++ b/packages/job-worker/src/blueprints/ingest/MutableIngestSegmentImpl.ts
@@ -191,7 +191,10 @@ export class MutableIngestSegmentImpl<TSegmentPayload = unknown, TPartPayload =
 		}
 	}
 
-	setPayloadProperty<TKey extends keyof TSegmentPayload>(key: TKey, value: TSegmentPayload[TKey]): void {
+	setPayloadProperty<TKey extends keyof TSegmentPayload>(
+		key: TKey,
+		value: ReadonlyDeep<TSegmentPayload[TKey]> | TSegmentPayload[TKey]
+	): void {
 		if (!this.#ingestSegment.payload) {
 			throw new Error('Segment payload is not set')
 		}