diff --git a/homeassistant/components/google_translate/const.py b/homeassistant/components/google_translate/const.py
index e6361c1025e..78e96acc91d 100644
--- a/homeassistant/components/google_translate/const.py
+++ b/homeassistant/components/google_translate/const.py
@@ -35,6 +35,7 @@ SUPPORT_LANGUAGES = [
     "ko",
     "la",
     "lv",
+    "lt",
     "mk",
     "ml",
     "mr",