diff --git a/src/options.ts b/src/options.ts
index e239db07c..50f44d55c 100644
--- a/src/options.ts
+++ b/src/options.ts
@@ -86,7 +86,7 @@ export type EsTarget =
   | 'es2023'
   | 'esnext'
 
-export type Target = BrowserTarget | BrowserTargetWithVersion | EsTarget
+export type Target = BrowserTarget | BrowserTargetWithVersion | EsTarget | (string & {})
 
 export type Entry = string[] | Record<string, string>