diff --git a/texttospeech/package.json b/texttospeech/package.json
index 2f46fa0238..6bafe90520 100644
--- a/texttospeech/package.json
+++ b/texttospeech/package.json
@@ -14,7 +14,7 @@
     "test": "mocha --timeout=60000"
   },
   "dependencies": {
-    "@google-cloud/text-to-speech": "^4.0.2",
+    "@google-cloud/text-to-speech": "^4.0.3",
     "yargs": "^16.0.0"
   },
   "devDependencies": {