diff --git a/homeassistant/components/google_cloud/tts.py b/homeassistant/components/google_cloud/tts.py
index 0de580ef7b7..89da3433815 100644
--- a/homeassistant/components/google_cloud/tts.py
+++ b/homeassistant/components/google_cloud/tts.py
@@ -40,11 +40,14 @@ SUPPORTED_LANGUAGES = [
     "en-US",
     "es-ES",
     "es-US",
+    "eu-ES",
     "fi-FI",
     "fil-PH",
     "fr-CA",
     "fr-FR",
+    "gl-ES",
     "gu-IN",
+    "he-IL",
     "hi-IN",
     "hu-HU",
     "id-ID",
@@ -54,7 +57,9 @@ SUPPORTED_LANGUAGES = [
     "kn-IN",
     "ko-KR",
     "lv-LV",
+    "lt-LT",
     "ml-IN",
+    "mr-IN",
     "ms-MY",
     "nb-NO",
     "nl-BE",