diff --git a/bucket/buf.json b/bucket/buf.json
index f42d2f9864..ceec30d437 100644
--- a/bucket/buf.json
+++ b/bucket/buf.json
@@ -1,12 +1,12 @@
 {
-    "version": "1.20.0",
+    "version": "1.21.0",
     "description": "A tool for working with Protocol Buffers APIs, offering a range of features not found in the standard protoc compiler.",
     "homepage": "https://buf.build/",
     "license": "Apache-2.0",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/bufbuild/buf/releases/download/v1.20.0/buf-Windows-x86_64.exe#/buf.exe",
-            "hash": "e4fc9dcbbced323eb479e0e6f9fc5f7f23e72e795a347998c0758f57a494c5b0"
+            "url": "https://github.com/bufbuild/buf/releases/download/v1.21.0/buf-Windows-x86_64.exe#/buf.exe",
+            "hash": "96a5bbc0f5687f6f869273d4f9edceb9165f4f434e8ee1caa9ee0179b6c829b7"
         }
     },
     "bin": "buf.exe",