diff --git a/functions/speech-to-speech/functions/package.json b/functions/speech-to-speech/functions/package.json
index c098d43e96..de3c5d37f5 100644
--- a/functions/speech-to-speech/functions/package.json
+++ b/functions/speech-to-speech/functions/package.json
@@ -35,7 +35,7 @@
   "dependencies": {
     "@google-cloud/speech": "^3.0.0",
     "@google-cloud/storage": "^3.0.0",
-    "@google-cloud/text-to-speech": "^0.5.0",
+    "@google-cloud/text-to-speech": "^1.0.0",
     "@google-cloud/translate": "^4.0.0",
     "uuid": "^3.3.2",
     "firebase-admin": "^8.0.0",