diff --git a/demos/react-grpc/package-lock.json b/demos/react-grpc/package-lock.json
index 8a98f24..04c06d4 100644
--- a/demos/react-grpc/package-lock.json
+++ b/demos/react-grpc/package-lock.json
@@ -6927,9 +6927,9 @@
       }
     },
     "google-protobuf": {
-      "version": "3.15.1",
-      "resolved": "https://registry.npmjs.org/google-protobuf/-/google-protobuf-3.15.1.tgz",
-      "integrity": "sha512-Ss2fADC0TpZXn6bqGgPJMUWoD1y9J7BTtJRVvf+quNxXRtQnrpubiFCdgoown+OetNsU4H3YbJgnpxYY/3kH6g==",
+      "version": "3.15.6",
+      "resolved": "https://registry.npmjs.org/google-protobuf/-/google-protobuf-3.15.6.tgz",
+      "integrity": "sha512-p65NyhIZFHFUxbIPOm6cygg2rCjK+2uDCxruOG3RaWKM9R4rBGX0STmlJoSOhoyAG8Fha7U8FP4pQomAV1JXsA==",
       "dev": true
     },
     "graceful-fs": {
diff --git a/demos/react-grpc/package.json b/demos/react-grpc/package.json
index 249b7b2..5e5400d 100644
--- a/demos/react-grpc/package.json
+++ b/demos/react-grpc/package.json
@@ -36,7 +36,7 @@
     ]
   },
   "devDependencies": {
-    "google-protobuf": "^3.15.1",
+    "google-protobuf": "^3.15.6",
     "grpc-web": "^1.2.1"
   }
 }