diff --git a/lib/jambonz/specs.json b/lib/jambonz/specs.json
index 7e73d61..81a0d4f 100644
--- a/lib/jambonz/specs.json
+++ b/lib/jambonz/specs.json
@@ -389,11 +389,7 @@
         "enum": ["google", "aws", "microsoft", "default"]
       },
       "language": "string",
-      "vad": {
-        "enable": "boolean",
-        "voiceMs": "number",
-        "mode": "number"
-      },
+      "vad": "#vad",
       "hints": "array",
       "altLanguages": "array",
       "profanityFilter": "boolean",
@@ -462,5 +458,10 @@
     "required": [
       "name"
     ]
+  },
+  "vad": {
+    "enable": "boolean",
+    "voiceMs": "number",
+    "mode": "number"
   }
 }
diff --git a/package-lock.json b/package-lock.json
index fdcd3ea..47f565c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@jambonz/node-client",
-  "version": "0.2.20",
+  "version": "0.2.22",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@jambonz/node-client",
-      "version": "0.2.20",
+      "version": "0.2.22",
       "license": "MIT",
       "dependencies": {
         "bent": "^7.3.12",
diff --git a/package.json b/package.json
index d9408b3..ebeb789 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jambonz/node-client",
-  "version": "0.2.21",
+  "version": "0.2.22",
   "description": "",
   "main": "lib/index.js",
   "scripts": {