diff --git a/samples/package.json b/samples/package.json
index dfd64b4e..c98b6fb5 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -26,7 +26,7 @@
     "@opentelemetry/tracing": "^0.24.0",
     "avro-js": "^1.11.3",
     "p-defer": "^3.0.0",
-    "protobufjs": "~7.2.5"
+    "protobufjs": "~7.3.0"
   },
   "devDependencies": {
     "@google-cloud/bigquery": "^7.0.0",