diff --git a/packages/client-axios/src/types.ts b/packages/client-axios/src/types.ts
index 98db41f58..f653e286f 100644
--- a/packages/client-axios/src/types.ts
+++ b/packages/client-axios/src/types.ts
@@ -5,6 +5,7 @@ import type {
   AxiosResponse,
   AxiosStatic,
   CreateAxiosDefaults,
+  AxiosRequestHeaders
 } from 'axios';
 
 import type { BodySerializer } from './utils';
@@ -37,7 +38,7 @@ export interface Config<ThrowOnError extends boolean = boolean>
    * {@link https://developer.mozilla.org/docs/Web/API/Headers/Headers#init See more}
    */
   headers?:
-    | CreateAxiosDefaults['headers']
+    | AxiosRequestHeaders
     | Record<
         string,
         | string