diff --git a/homeassistant/components/google_cloud/tts.py b/homeassistant/components/google_cloud/tts.py
index 0557be9a3c8..84b5d6b2034 100644
--- a/homeassistant/components/google_cloud/tts.py
+++ b/homeassistant/components/google_cloud/tts.py
@@ -57,7 +57,7 @@ MAX_GAIN = 16.0
 DEFAULT_GAIN = 0
 
 SUPPORTED_OPTIONS = [
-    CONF_VOICE, CONF_GENDER, CONF_ENCODING,
+    CONF_VOICE, CONF_GENDER, CONF_ENCODING, CONF_SPEED, CONF_PITCH, CONF_GAIN,
 ]
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({