diff --git a/index.d.cts b/index.d.cts
index 21a763f08a..b830cb9a58 100644
--- a/index.d.cts
+++ b/index.d.cts
@@ -321,6 +321,8 @@ declare namespace axios {
     serialize?: CustomParamsSerializer;
   }
 
+  type BrowserProgressEvent = any;
+
   interface AxiosProgressEvent {
     loaded: number;
     total?: number;
@@ -330,6 +332,7 @@ declare namespace axios {
     estimated?: number;
     upload?: boolean;
     download?: boolean;
+    event?: BrowserProgressEvent;
   }
 
   interface AxiosRequestConfig<D = any> {
diff --git a/index.d.ts b/index.d.ts
index 4bcfa3dd0a..a6cb8ff2ca 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -263,6 +263,8 @@ type MaxUploadRate = number;
 
 type MaxDownloadRate = number;
 
+type BrowserProgressEvent = any;
+
 export interface AxiosProgressEvent {
   loaded: number;
   total?: number;
@@ -272,7 +274,7 @@ export interface AxiosProgressEvent {
   estimated?: number;
   upload?: boolean;
   download?: boolean;
-  event?: ProgressEvent;
+  event?: BrowserProgressEvent;
 }
 
 type Milliseconds = number;