diff --git a/samples/package.json b/samples/package.json
index 8129f5239..e10caeefa 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -31,7 +31,7 @@
     "@opentelemetry/semantic-conventions": "^1.17.0",
     "avro-js": "^1.11.3",
     "p-defer": "^3.0.0",
-    "protobufjs": "~7.3.0"
+    "protobufjs": "~7.4.0"
   },
   "devDependencies": {
     "@google-cloud/bigquery": "^7.0.0",