diff --git a/package.json b/package.json
index a453d78..28d8b70 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   },
   "dependencies": {
     "@grpc/grpc-js": "^1.7.0",
-    "protobufjs": "7.4.0"
+    "protobufjs": "7.6.3"
   },
   "devDependencies": {
     "@google-cloud/spanner": "^6.0.0",