diff --git a/package.json b/package.json
index 2724304..ce7280b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@sharkitek/core",
-	"version": "3.0.0",
+	"version": "3.0.1",
 	"description": "TypeScript library for well-designed model architectures.",
 	"keywords": [
 		"deserialization",
diff --git a/src/Model/Model.ts b/src/Model/Model.ts
index f59a9f8..0fd40f0 100644
--- a/src/Model/Model.ts
+++ b/src/Model/Model.ts
@@ -34,6 +34,11 @@ export type SerializedModel<Shape extends ModelShape> = {
  */
 export type Model<Shape extends ModelShape, IdentifierType = unknown> = ModelDefinition<Shape, IdentifierType> & PropertiesModel<Shape>;
 
+/**
+ * Type of a model class.
+ */
+export type ModelClass<Shape extends ModelShape, Identifier extends keyof Shape = any> = ConstructorOf<Model<Shape, IdentifierType<Shape, Identifier>>>;
+
 /**
  * Identifier type.
  */
@@ -91,7 +96,7 @@ export interface ModelDefinition<Shape extends ModelShape, IdentifierType>
 export function model<Shape extends ModelShape, Identifier extends keyof Shape = any>(
 	shape: Shape,
 	identifier?: Identifier,
-): ConstructorOf<Model<Shape, IdentifierType<Shape, Identifier>>>
+): ModelClass<Shape, Identifier>
 {
 	// Get shape entries.
 	const shapeEntries = Object.entries(shape) as [keyof Shape, UnknownDefinition][];
@@ -227,5 +232,5 @@ export function model<Shape extends ModelShape, Identifier extends keyof Shape =
 			return diff; // Return the difference.
 		}
 
-	} as unknown as ConstructorOf<Model<Shape, IdentifierType<Shape, Identifier>>>;
+	} as unknown as ModelClass<Shape, Identifier>;
 }