diff --git a/dist/cjs/index.d.ts b/dist/cjs/index.d.ts
index fd2890a..f4b5d01 100644
--- a/dist/cjs/index.d.ts
+++ b/dist/cjs/index.d.ts
@@ -111,27 +111,27 @@ export interface Params {
    * max width of embed size
    * Default: null
    */
-  maxwidth: number
+  maxwidth?: number
   /**
    * max height of embed size
    * Default: null
    */
-  maxheight: number
+  maxheight?: number
   /**
    * theme for the embed, such as "dark" or "light"
    * Default: null
    */
-  theme: string
+  theme?: string
   /**
    * language for the embed, e.g. "en", "fr", "vi", etc
    * Default: null
    */
-  lang: string
+  lang?: string
 }
 
 export interface ProxyConfig {
   target?: string;
-  headers?: string[];
+  headers?: Record<string, string>;
 }
 
 export interface FetchOptions {
@@ -139,7 +139,7 @@ export interface FetchOptions {
    * list of request headers
    * default: null
    */
-  headers?: string[];
+  headers?: Record<string, string>;
   /**
    * the values to configure proxy
    * default: null
diff --git a/dist/cjs/oembed-parser.js b/dist/cjs/oembed-parser.js
index 332b243..f0da3f6 100644
--- a/dist/cjs/oembed-parser.js
+++ b/dist/cjs/oembed-parser.js
@@ -1,4 +1,4 @@
-// oembed-parser@3.1.4, by @ndaidong - built with esbuild at 2022-11-13T05:18:59.638Z - published under MIT license
+// oembed-parser@3.1.5, by @ndaidong - built with esbuild at 2022-11-22T04:15:03.946Z - published under MIT license
 var __create = Object.create;
 var __defProp = Object.defineProperty;
 var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
diff --git a/dist/cjs/package.json b/dist/cjs/package.json
index 8db62eb..72c995c 100644
--- a/dist/cjs/package.json
+++ b/dist/cjs/package.json
@@ -1,5 +1,5 @@
 {
   "name": "oembed-parser",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "main": "./oembed-parser.js"
 }
\ No newline at end of file
diff --git a/dist/oembed-parser.esm.js b/dist/oembed-parser.esm.js
index 475329a..0953f6a 100644
--- a/dist/oembed-parser.esm.js
+++ b/dist/oembed-parser.esm.js
@@ -1,4 +1,4 @@
-// oembed-parser@3.1.4, by @ndaidong - built with esbuild at 2022-11-13T05:18:59.638Z - published under MIT license
+// oembed-parser@3.1.5, by @ndaidong - built with esbuild at 2022-11-22T04:15:03.946Z - published under MIT license
 
 // src/utils/linker.js
 var isValid = (url = "") => {
diff --git a/index.d.ts b/index.d.ts
index fd2890a..f4b5d01 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -111,27 +111,27 @@ export interface Params {
    * max width of embed size
    * Default: null
    */
-  maxwidth: number
+  maxwidth?: number
   /**
    * max height of embed size
    * Default: null
    */
-  maxheight: number
+  maxheight?: number
   /**
    * theme for the embed, such as "dark" or "light"
    * Default: null
    */
-  theme: string
+  theme?: string
   /**
    * language for the embed, e.g. "en", "fr", "vi", etc
    * Default: null
    */
-  lang: string
+  lang?: string
 }
 
 export interface ProxyConfig {
   target?: string;
-  headers?: string[];
+  headers?: Record<string, string>;
 }
 
 export interface FetchOptions {
@@ -139,7 +139,7 @@ export interface FetchOptions {
    * list of request headers
    * default: null
    */
-  headers?: string[];
+  headers?: Record<string, string>;
   /**
    * the values to configure proxy
    * default: null
diff --git a/package.json b/package.json
index 721eaa6..feadbe5 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "3.1.4",
+  "version": "3.1.5",
   "name": "oembed-parser",
   "description": "Get oEmbed data from given URL.",
   "homepage": "https://www.npmjs.com/package/oembed-parser",
@@ -39,7 +39,7 @@
     "cross-fetch": "^3.1.5"
   },
   "devDependencies": {
-    "esbuild": "^0.15.13",
+    "esbuild": "^0.15.15",
     "jest": "^29.3.1",
     "nock": "^13.2.9",
     "standard": "^17.0.0"
diff --git a/src/utils/providers.latest.js b/src/utils/providers.latest.js
index 49e494f..78dec5c 100644
--- a/src/utils/providers.latest.js
+++ b/src/utils/providers.latest.js
@@ -1,4 +1,4 @@
-// provider data, synchronized at 2022-11-13T05:17:54.675Z
+// provider data, synchronized at 2022-11-22T04:14:50.180Z
 
 /* eslint-disable */ 
 
diff --git a/src/utils/providers.prev.js b/src/utils/providers.prev.js
index edb91b8..49e494f 100644
--- a/src/utils/providers.prev.js
+++ b/src/utils/providers.prev.js
@@ -1,4 +1,4 @@
-// provider data, synchronized at 2022-10-26T05:04:37.983Z
+// provider data, synchronized at 2022-11-13T05:17:54.675Z
 
 /* eslint-disable */