diff --git a/packages/common/interfaces/features/pipe-transform.interface.ts b/packages/common/interfaces/features/pipe-transform.interface.ts
index 60ce3b66345..fae8eef313f 100644
--- a/packages/common/interfaces/features/pipe-transform.interface.ts
+++ b/packages/common/interfaces/features/pipe-transform.interface.ts
@@ -10,7 +10,7 @@ export type Transform<T = any> = (value: T, metadata: ArgumentMetadata) => any;
  *
  * @publicApi
  */
-export interface ArgumentMetadata {
+export interface ArgumentMetadata<MetaType = any> {
   /**
    * Indicates whether argument is a body, query, param, or custom parameter
    */
@@ -19,7 +19,7 @@ export interface ArgumentMetadata {
    * Underlying base type (e.g., `String`) of the parameter, based on the type
    * definition in the route handler.
    */
-  readonly metatype?: Type<any> | undefined;
+  readonly metatype?: Type<MetaType> | undefined;
   /**
    * String passed as an argument to the decorator.
    * Example: `@Body('userId')` would yield `userId`