diff --git a/package-lock.json b/package-lock.json
index 0545858..d449205 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@api-components/amf-helper-mixin",
-  "version": "4.5.24",
+  "version": "4.5.25",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@api-components/amf-helper-mixin",
-      "version": "4.5.24",
+      "version": "4.5.25",
       "license": "Apache-2.0",
       "dependencies": {
         "amf-json-ld-lib": "0.0.14"
diff --git a/package.json b/package.json
index 708ca27..931c027 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@api-components/amf-helper-mixin",
   "description": "A mixin with common functions user by most AMF components to compute AMF values",
-  "version": "4.5.24",
+  "version": "4.5.25",
   "license": "Apache-2.0",
   "main": "index.js",
   "module": "index.js",
diff --git a/src/Namespace.d.ts b/src/Namespace.d.ts
index b473b73..e1be201 100644
--- a/src/Namespace.d.ts
+++ b/src/Namespace.d.ts
@@ -134,6 +134,7 @@ interface ApiContract {
   expects: string;
   examples: string;
   supportedOperation: string;
+  messageId: string;
   statusCode: string;
   method: string;
   required: string;
@@ -154,6 +155,7 @@ interface ApiContract {
   explode: string;
   allowReserved: string;
   tag: string;
+  tags: string;
 }
 
 interface ApiBinding {
@@ -256,7 +258,7 @@ interface Vocabularies {
   core: Readonly<Core>;
   security: Readonly<Security>;
   apiContract: Readonly<ApiContract>;
-  apiBinding: Readonly<ApiBinding>
+  apiBinding: Readonly<ApiBinding>;
   shapes: Readonly<Shapes>;
   data: Readonly<Data>;
   docSourceMaps: Readonly<DocSourceMaps>;
diff --git a/src/Namespace.js b/src/Namespace.js
index d58e433..4bf8d2b 100644
--- a/src/Namespace.js
+++ b/src/Namespace.js
@@ -155,6 +155,7 @@ ns.aml.vocabularies.apiContract.response = `${contractKey}response`;
 ns.aml.vocabularies.apiContract.returns = `${contractKey}returns`;
 ns.aml.vocabularies.apiContract.expects = `${contractKey}expects`;
 ns.aml.vocabularies.apiContract.examples = `${contractKey}examples`;
+ns.aml.vocabularies.apiContract.messageId = `${contractKey}messageId`;
 ns.aml.vocabularies.apiContract.supportedOperation = `${contractKey}supportedOperation`;
 ns.aml.vocabularies.apiContract.statusCode = `${contractKey}statusCode`;
 ns.aml.vocabularies.apiContract.method = `${contractKey}method`;
@@ -176,6 +177,7 @@ ns.aml.vocabularies.apiContract.style = `${contractKey}style`;
 ns.aml.vocabularies.apiContract.explode = `${contractKey}explode`;
 ns.aml.vocabularies.apiContract.allowReserved = `${contractKey}allowReserved`;
 ns.aml.vocabularies.apiContract.tag = `${contractKey}tag`;
+ns.aml.vocabularies.apiContract.tags = `${contractKey}tags`;
 ns.aml.vocabularies.shapes = {};
 ns.aml.vocabularies.shapes.key = `${ns.aml.vocabularies.key}shapes#`;
 const shapesKey = ns.aml.vocabularies.shapes.key;