diff --git a/index.d.ts b/index.d.ts
index 74b2acd2cc..8a571eae6d 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -59,8 +59,8 @@ export interface AxiosRequestConfig {
   responseType?: ResponseType;
   xsrfCookieName?: string;
   xsrfHeaderName?: string;
-  onUploadProgress?: (progressEvent: ProgressEvent) => void;
-  onDownloadProgress?: (progressEvent: ProgressEvent) => void;
+  onUploadProgress?: (progressEvent: any) => void;
+  onDownloadProgress?: (progressEvent: any) => void;
   maxContentLength?: number;
   validateStatus?: ((status: number) => boolean | null);
   maxBodyLength?: number;