diff --git a/samples/package.json b/samples/package.json
index 5be78369..f3b7732c 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@google-cloud/text-to-speech": "^2.0.0",
-    "yargs": "^14.0.0"
+    "yargs": "^15.0.0"
   },
   "devDependencies": {
     "chai": "^4.2.0",