diff --git a/index.d.cts b/index.d.cts
index 8a9e90e..971a644 100644
--- a/index.d.cts
+++ b/index.d.cts
@@ -424,8 +424,11 @@ declare namespace axios {
     env?: {
       FormData?: new (...args: any[]) => object;
       fetch?: (input: URL | Request | string, init?: RequestInit) => Promise<Response>;
-      Request?: new (input: (RequestInfo | URL), init?: RequestInit) => Request;
-      Response?: new (body?: (BodyInit | null), init?: ResponseInit) => Response;
+      Request?: new (input: URL | Request | string, init?: RequestInit) => Request;
+      Response?: new (
+          body?: ArrayBuffer | ArrayBufferView | Blob | FormData | URLSearchParams | string | null,
+          init?: ResponseInit
+      ) => Response;
     };
     formSerializer?: FormSerializerOptions;
     family?: AddressFamily;
diff --git a/index.d.ts b/index.d.ts
index 82b486b..554140e 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -356,8 +356,11 @@ export interface AxiosRequestConfig<D = any> {
   env?: {
     FormData?: new (...args: any[]) => object;
     fetch?: (input: URL | Request | string, init?: RequestInit) => Promise<Response>;
-    Request?: new (input: (RequestInfo | URL), init?: RequestInit) => Request;
-    Response?: new (body?: (BodyInit | null), init?: ResponseInit) => Response;
+    Request?: new (input: URL | Request | string, init?: RequestInit) => Request;
+    Response?: new (
+        body?: ArrayBuffer | ArrayBufferView | Blob | FormData | URLSearchParams | string | null,
+        init?: ResponseInit
+    ) => Response;
   };
   formSerializer?: FormSerializerOptions;
   family?: AddressFamily;