diff --git a/index.d.cts b/index.d.cts
index b1c47a3..6d564e2 100644
--- a/index.d.cts
+++ b/index.d.cts
@@ -390,6 +390,7 @@ declare namespace axios {
     maxRate?: number | [MaxUploadRate, MaxDownloadRate];
     beforeRedirect?: (options: Record<string, any>, responseDetails: {headers: Record<string, string>}) => void;
     socketPath?: string | null;
+    transport?: any;
     httpAgent?: any;
     httpsAgent?: any;
     proxy?: AxiosProxyConfig | false;
diff --git a/index.d.ts b/index.d.ts
index e9c9f82..220dcb3 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -331,6 +331,7 @@ export interface AxiosRequestConfig<D = any> {
   maxRate?: number | [MaxUploadRate, MaxDownloadRate];
   beforeRedirect?: (options: Record<string, any>, responseDetails: {headers: Record<string, string>}) => void;
   socketPath?: string | null;
+  transport?: any;
   httpAgent?: any;
   httpsAgent?: any;
   proxy?: AxiosProxyConfig | false;