diff --git a/bucket/protoc-gen-grpc-web.json b/bucket/protoc-gen-grpc-web.json
index 3e625f2531..2a11c9ed01 100644
--- a/bucket/protoc-gen-grpc-web.json
+++ b/bucket/protoc-gen-grpc-web.json
@@ -1,12 +1,12 @@
 {
-    "version": "1.3.1",
+    "version": "1.4.0",
     "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/1.3.1/protoc-gen-grpc-web-1.3.1-windows-x86_64.exe#/protoc-gen-grpc-web.exe",
-            "hash": "f7f3d3b8ddcc7f0f8e432e744768682c070491fc1dcacb922343ec8f39c0d115"
+            "url": "https://github.com/grpc/grpc-web/releases/download/1.4.0/protoc-gen-grpc-web-1.4.0-windows-x86_64.exe#/protoc-gen-grpc-web.exe",
+            "hash": "bd3149e5edb9b3d77fe2a28b9ab36505099f474a71e9865026eec314466e3fec"
         }
     },
     "bin": "protoc-gen-grpc-web.exe",