diff --git a/demos/react-grpc/package-lock.json b/demos/react-grpc/package-lock.json
index 588e12f..89a7e68 100644
--- a/demos/react-grpc/package-lock.json
+++ b/demos/react-grpc/package-lock.json
@@ -6988,9 +6988,9 @@
       "optional": true
     },
     "grpc-web": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/grpc-web/-/grpc-web-1.2.1.tgz",
-      "integrity": "sha512-ibBaJPzfMVuLPgaST9w0kZl60s+SnkPBQp6QKdpEr85tpc1gXW2QDqSne9xiyiym0logDfdUSm4aX5h9YBA2mw==",
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/grpc-web/-/grpc-web-1.4.2.tgz",
+      "integrity": "sha512-gUxWq42l5ldaRplcKb4Pw5O4XBONWZgz3vxIIXnfIeJj8Jc3wYiq2O4c9xzx/NGbbPEej4rhI62C9eTENwLGNw==",
       "dev": true
     },
     "gzip-size": {
diff --git a/demos/react-grpc/package.json b/demos/react-grpc/package.json
index 776b083..144b7d0 100644
--- a/demos/react-grpc/package.json
+++ b/demos/react-grpc/package.json
@@ -37,6 +37,6 @@
   },
   "devDependencies": {
     "google-protobuf": "^3.17.3",
-    "grpc-web": "^1.2.1"
+    "grpc-web": "^1.4.2"
   }
 }