diff --git a/index.d.ts b/index.d.ts
index da0e867..250191e 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -59,8 +59,8 @@ export interface AxiosRequestConfig {
   responseType?: ResponseType;
   xsrfCookieName?: string;
   xsrfHeaderName?: string;
-  onUploadProgress?: (progressEvent: any) => void;
-  onDownloadProgress?: (progressEvent: any) => void;
+  onUploadProgress?: (progressEvent: ProgressEvent) => void;
+  onDownloadProgress?: (progressEvent: ProgressEvent) => void;
   maxContentLength?: number;
   maxBodyLength?: number;
   validateStatus?: (status: number) => boolean;
diff --git a/test/typescript/axios.ts b/test/typescript/axios.ts
index e76a19a..c584dfc 100644
--- a/test/typescript/axios.ts
+++ b/test/typescript/axios.ts
@@ -31,8 +31,8 @@ const config: AxiosRequestConfig = {
   responseType: 'json',
   xsrfCookieName: 'XSRF-TOKEN',
   xsrfHeaderName: 'X-XSRF-TOKEN',
-  onUploadProgress: (progressEvent: any) => {},
-  onDownloadProgress: (progressEvent: any) => {},
+  onUploadProgress: (progressEvent: ProgressEvent) => {},
+  onDownloadProgress: (progressEvent: ProgressEvent) => {},
   maxContentLength: 2000,
   maxBodyLength: 2000,
   validateStatus: (status: number) => status >= 200 && status < 300,