diff --git a/bucket/protoc-gen-grpc-web.json b/bucket/protoc-gen-grpc-web.json
index 951cdec817..4e6d1916ff 100644
--- a/bucket/protoc-gen-grpc-web.json
+++ b/bucket/protoc-gen-grpc-web.json
@@ -1,12 +1,12 @@
 {
-    "version": "1.2.0",
+    "version": "1.2.1",
     "description": "gRPC javascript code generator plugin for Web Clients",
     "homepage": "https://grpc.io",
     "license": "Apache-2.0",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/grpc/grpc-web/releases/download/1.2.0/protoc-gen-grpc-web-1.2.0-windows-x86_64.exe#/protoc-gen-grpc-web.exe",
-            "hash": "0abb861706c7a12f508c9af115d6e8a4ab4ca4cd0efe6e0c709614824e60c870"
+            "url": "https://github.com/grpc/grpc-web/releases/download/1.2.1/protoc-gen-grpc-web-1.2.1-windows-x86_64.exe#/protoc-gen-grpc-web.exe",
+            "hash": "5886b4c9886dfdbfd1c7c2f26a15c396c6662b9f1acf9b6d8efbd490bc3736db"
         }
     },
     "bin": "protoc-gen-grpc-web.exe",