diff --git a/rpc/example/node/package-lock.json b/rpc/example/node/package-lock.json
index 0016b9a..4d4aaf6 100644
--- a/rpc/example/node/package-lock.json
+++ b/rpc/example/node/package-lock.json
@@ -270,9 +270,9 @@
       }
     },
     "google-protobuf": {
-      "version": "3.19.4",
-      "resolved": "https://registry.npmjs.org/google-protobuf/-/google-protobuf-3.19.4.tgz",
-      "integrity": "sha512-OIPNCxsG2lkIvf+P5FNfJ/Km95CsXOBecS9ZcAU6m2Rq3svc0Apl9nB3GMDNKfQ9asNv4KjyAqGwPQFrVle3Yg=="
+      "version": "3.20.0",
+      "resolved": "https://registry.npmjs.org/google-protobuf/-/google-protobuf-3.20.0.tgz",
+      "integrity": "sha512-hhXv5IKLDIkb0pEm53G053UZGhRAhw3wM5Jk7ly5sGIQRkO1s63FaDqM9QjlrPHygKEE2awUlLP9fFrG6M9vfQ=="
     },
     "grpc": {
       "version": "1.24.11",
diff --git a/rpc/example/node/package.json b/rpc/example/node/package.json
index 1869d0f..37898d7 100644
--- a/rpc/example/node/package.json
+++ b/rpc/example/node/package.json
@@ -4,7 +4,7 @@
   "dependencies": {
     "async": "^3.2.3",
     "global": "^4.4.0",
-    "google-protobuf": "^3.19.4",
+    "google-protobuf": "^3.20.0",
     "grpc": "^1.24.11",
     "lodash": "^4.17.21",
     "minimist": ">=1.2.6"