diff --git a/specs.json b/specs.json
index 8a7d997..11197dc 100644
--- a/specs.json
+++ b/specs.json
@@ -66,6 +66,7 @@
       "amd": "#amd",
       "fillerNoise": "#fillerNoise",
       "notifyEvents": "boolean",
+      "notifySttLatency": "boolean",
       "reset": "string|array",
       "onHoldMusic": "string",
       "actionHookDelayAction": "#actionHookDelayAction",
diff --git a/test/jambonz-verb-test.js b/test/jambonz-verb-test.js
index 917c271..1a01f19 100644
--- a/test/jambonz-verb-test.js
+++ b/test/jambonz-verb-test.js
@@ -72,6 +72,7 @@ test("validate correct verbs", async (t) => {
     },
     {
       "verb": "config",
+      "notifySttLatency": true,
       "recognizer": {
         "vendor": "google",
         "language": "de-DE",