diff --git a/package.json b/package.json
index 84d0df9..dd51034 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cosmicmind/domainjs",
-  "version": "0.0.1-rc-010124-4-b",
+  "version": "0.0.1-rc-010124-4-c",
   "description": "A domain-driven design framework for scalable systems.",
   "keywords": [],
   "author": {
diff --git a/src/Aggregate.ts b/src/Aggregate.ts
index 26a0578..99cf54a 100644
--- a/src/Aggregate.ts
+++ b/src/Aggregate.ts
@@ -48,7 +48,7 @@ import {
 export abstract class Aggregate<E extends Entity, T extends EventTopics = EventTopics> extends EventObservable<T> {
   protected root: E
 
-  protected constructor(root: E) {
+  constructor(root: E) {
     super()
     this.root = root
   }
@@ -56,9 +56,9 @@ export abstract class Aggregate<E extends Entity, T extends EventTopics = EventT
 
 export type AggregateTypeFor<A> = A extends Aggregate<infer E> ? E : A
 
-export type AggregateConstructor<A extends Aggregate<Entity>> = new (root: AggregateTypeFor<A>) => A
+export type AggregateConstructor<A extends Aggregate<Entity>> = new (root: AggregateTypeFor<A>, ...args: unknown[]) => A
 
-export function defineAggregate<A extends Aggregate<Entity>>(_class: AggregateConstructor<A>, handler: EntityLifecycle<AggregateTypeFor<A>> = {}): (root: AggregateTypeFor<A>) => A {
+export function defineAggregate<A extends Aggregate<Entity>>(_class: AggregateConstructor<A>, handler: EntityLifecycle<AggregateTypeFor<A>> = {}): (root: AggregateTypeFor<A>, ...args: unknown[]) => A {
   const createEntity = defineEntity<AggregateTypeFor<A>>(handler)
-  return (root: AggregateTypeFor<A>): A => new _class(createEntity(root))
+  return (root: AggregateTypeFor<A>, ...args: unknown[]): A => new _class(createEntity(root), ...args)
 }
\ No newline at end of file