diff --git a/index.d.ts b/index.d.ts
index de5d83904..0b4c56327 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -17,6 +17,7 @@ declare namespace winston {
   export import Logform = logform;
   export import config = Config;
   export import transports = Transports;
+  export import transport = Transport;
 
   interface ExceptionHandler {
     logger: Logger;