diff --git a/package-lock.json b/package-lock.json
index 4ee4cd68..36a7f3f1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mercadopago",
-  "version": "1.5.6",
+  "version": "1.5.7",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "mercadopago",
-      "version": "1.5.6",
+      "version": "1.5.7",
       "dependencies": {
         "ajv": "^6.12.3",
         "bluebird": "3.4.7",
@@ -158,22 +158,6 @@
         "node": "^10.12.0 || >=12.0.0"
       }
     },
-    "node_modules/@eslint/eslintrc/node_modules/ajv": {
-      "version": "6.12.6",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
-      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
-      "dev": true,
-      "dependencies": {
-        "fast-deep-equal": "^3.1.1",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.4.1",
-        "uri-js": "^4.2.2"
-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/epoberezkin"
-      }
-    },
     "node_modules/@eslint/eslintrc/node_modules/globals": {
       "version": "12.4.0",
       "resolved": "https://registry.npmjs.org/globals/-/globals-12.4.0.tgz",
@@ -232,9 +216,9 @@
       }
     },
     "node_modules/ajv": {
-      "version": "6.12.3",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.3.tgz",
-      "integrity": "sha512-4K0cK3L1hsqk9xIb2z9vs/XU+PGJZ9PNpJRDS9YLzmNdX6jmVPfamLvTJr0aDAusnHyCHO6MjzlkAsgtqp9teA==",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "dependencies": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -3221,6 +3205,11 @@
         "safer-buffer": "^2.0.2",
         "tweetnacl": "~0.14.0"
       },
+      "bin": {
+        "sshpk-conv": "bin/sshpk-conv",
+        "sshpk-sign": "bin/sshpk-sign",
+        "sshpk-verify": "bin/sshpk-verify"
+      },
       "engines": {
         "node": ">=0.10.0"
       }
@@ -3848,18 +3837,6 @@
         "strip-json-comments": "^3.1.1"
       },
       "dependencies": {
-        "ajv": {
-          "version": "6.12.6",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
-          "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
-          "dev": true,
-          "requires": {
-            "fast-deep-equal": "^3.1.1",
-            "fast-json-stable-stringify": "^2.0.0",
-            "json-schema-traverse": "^0.4.1",
-            "uri-js": "^4.2.2"
-          }
-        },
         "globals": {
           "version": "12.4.0",
           "resolved": "https://registry.npmjs.org/globals/-/globals-12.4.0.tgz",
@@ -3903,9 +3880,9 @@
       "requires": {}
     },
     "ajv": {
-      "version": "6.12.3",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.3.tgz",
-      "integrity": "sha512-4K0cK3L1hsqk9xIb2z9vs/XU+PGJZ9PNpJRDS9YLzmNdX6jmVPfamLvTJr0aDAusnHyCHO6MjzlkAsgtqp9teA==",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "requires": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
diff --git a/package.json b/package.json
index e797e903..b0e1dde0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mercadopago",
-  "version": "1.5.6",
+  "version": "1.5.7",
   "description": "Mercadopago SDK for Node.js",
   "main": "index.js",
   "scripts": {