diff --git a/x-pack/plugins/ml/server/routes/schemas/anomaly_detectors_schema.ts b/x-pack/plugins/ml/server/routes/schemas/anomaly_detectors_schema.ts
index 16eaab20fe8cb..196e17d0984f9 100644
--- a/x-pack/plugins/ml/server/routes/schemas/anomaly_detectors_schema.ts
+++ b/x-pack/plugins/ml/server/routes/schemas/anomaly_detectors_schema.ts
@@ -70,6 +70,7 @@ export const anomalyDetectionUpdateJobSchema = schema.object({
   ),
   groups: schema.maybe(schema.arrayOf(schema.maybe(schema.string()))),
   model_snapshot_retention_days: schema.maybe(schema.number()),
+  daily_model_snapshot_retention_after_days: schema.maybe(schema.number()),
 });
 
 export const analysisConfigSchema = schema.object({