diff --git a/package.json b/package.json
index bc5adf2..17cfb27 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,10 @@
     }
   },
   "module": "src/index.ts",
+  "files": [
+    "dist",
+    "src"
+  ],
   "scripts": {
     "build": "tsdown",
     "lint": "eslint .",
diff --git a/src/client.ts b/src/client.ts
index 689ce30..e9f5e79 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -3,7 +3,17 @@ import { Request } from "./request";
 
 export class Client {
     public request: Request;
-    public constructor(public readonly config: ClientConfig) {
+    public constructor(private config: ClientConfig) {
         this.request = new Request(config);
     }
+
+    public updateCredentials(accessKeyID: string, accessKeySecret: string, stsToken?: string) {
+        this.config = {
+            ...this.config,
+            accessKeyID,
+            accessKeySecret,
+            stsToken,
+        };
+        this.request = new Request(this.config);
+    }
 }