diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index 24a93b8..12bce94 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -1,4 +1,6 @@
 # Releases
+## VERSION 2.1.1
+- Fix `X-Expand-Responde-Nodes` header to request options
 
 ## VERSION 2.1.0
 
diff --git a/package.json b/package.json
index 08f9d49..70e0286 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mercadopago",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "description": "Mercadopago SDK for Node.js",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/src/utils/config/index.ts b/src/utils/config/index.ts
index 8456da5..b62fdf6 100644
--- a/src/utils/config/index.ts
+++ b/src/utils/config/index.ts
@@ -5,7 +5,7 @@ export class AppConfig {
 	static readonly BASE_URL = 'https://api.mercadopago.com';
 	static readonly PRODUCT_ID = 'bc32b6ntrpp001u8nhkg';
 
-	static SDK_VERSION = '2.1.0';
+	static SDK_VERSION = '2.1.1';
 
 	static readonly Headers = {
 		AUTHORIZATION: 'Authorization',
@@ -18,7 +18,7 @@ export class AppConfig {
 		INTEGRATOR_ID: 'X-Integrator-Id',
 		PLATFORM_ID: 'X-Platform-Id',
 		MELI_SESSION_ID: 'X-Meli-Session-Id',
-		EXPAND_RESPONSE_NODES: 'X-Expand-Response-Nodes',
+		EXPAND_RESPONDE_NODES: 'X-Expand-Responde-Nodes',
 		CARD_VALIDATION: 'X-Card-Validation',
 	};
 
diff --git a/src/utils/restClient/index.ts b/src/utils/restClient/index.ts
index bcb37a7..4d6196d 100644
--- a/src/utils/restClient/index.ts
+++ b/src/utils/restClient/index.ts
@@ -83,7 +83,7 @@ class RestClient {
 			...(integratorId ? { [AppConfig.Headers.INTEGRATOR_ID]: integratorId } : {}),
 			...(plataformId ? { [AppConfig.Headers.PLATFORM_ID]: plataformId } : {}),
 			...(meliSessionId ? { [AppConfig.Headers.MELI_SESSION_ID]: meliSessionId } : {}),
-			...(expandResponseNodes ? { [AppConfig.Headers.EXPAND_RESPONSE_NODES]: expandResponseNodes } : {}),
+			...(expandResponseNodes ? { [AppConfig.Headers.EXPAND_RESPONDE_NODES]: expandResponseNodes } : {}),
 			...(cardValidation ? { [AppConfig.Headers.CARD_VALIDATION]: cardValidation } : {}),
 		};
 
diff --git a/src/utils/restClient/restClient.spec.ts b/src/utils/restClient/restClient.spec.ts
index 97c0126..6785f35 100644
--- a/src/utils/restClient/restClient.spec.ts
+++ b/src/utils/restClient/restClient.spec.ts
@@ -120,7 +120,7 @@ describe('RestClient', () => {
 				'X-Product-Id': expect.any(String),
 				'X-Tracking-Id': expect.any(String),
 				'X-Meli-Session-Id': 'device_id',
-				'X-Expand-Response-Nodes': 'gateway.reference',
+				'X-Expand-Responde-Nodes': 'gateway.reference',
 				'X-Card-Validation': 'card_validation',
 			},
 		});