diff --git a/package.json b/package.json
index 7296dcb67..f68abc002 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "mv": "^2.1.1",
     "ncp": "^2.0.0",
     "null-loader": "^4.0.0",
-    "protobufjs": "^6.10.1",
+    "protobufjs": "^7.0.0",
     "proxyquire": "^2.0.0",
     "sinon": "^14.0.0",
     "tmp": "^0.2.0",
diff --git a/samples/package.json b/samples/package.json
index 8f9b0cfec..a5a0e59ba 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -29,7 +29,7 @@
     "@opentelemetry/tracing": "^0.24.0",
     "avro-js": "^1.10.1",
     "p-defer": "^3.0.0",
-    "protobufjs": "^6.11.2"
+    "protobufjs": "^7.0.0"
   },
   "devDependencies": {
     "@google-cloud/bigquery": "^6.0.0",