diff --git a/bucket/nats-server.json b/bucket/nats-server.json
index ff92b63595..ac7ff16697 100644
--- a/bucket/nats-server.json
+++ b/bucket/nats-server.json
@@ -1,23 +1,23 @@
 {
-    "version": "2.9.20",
+    "version": "2.9.21",
     "description": "High-Performance server for NATS.io, the cloud and edge native messaging system",
     "homepage": "https://github.com/nats-io/nats-server",
     "license": "Apache-2.0",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/nats-io/nats-server/releases/download/v2.9.20/nats-server-v2.9.20-windows-amd64.zip",
-            "hash": "6dd2f4648c3b5f7c0b0a2fc492ecd2263d3dfb22ea5cf2d0c018a82f0e912b35",
-            "extract_dir": "nats-server-v2.9.20-windows-amd64"
+            "url": "https://github.com/nats-io/nats-server/releases/download/v2.9.21/nats-server-v2.9.21-windows-amd64.zip",
+            "hash": "43df40bcf81e819e3467a31c548643439d4200486f3032c61ae4b134243f8796",
+            "extract_dir": "nats-server-v2.9.21-windows-amd64"
         },
         "32bit": {
-            "url": "https://github.com/nats-io/nats-server/releases/download/v2.9.20/nats-server-v2.9.20-windows-386.zip",
-            "hash": "07e3ff62773ff2140970fc739d6058e344cc56fc937c8bb8a24aabbade181834",
-            "extract_dir": "nats-server-v2.9.20-windows-386"
+            "url": "https://github.com/nats-io/nats-server/releases/download/v2.9.21/nats-server-v2.9.21-windows-386.zip",
+            "hash": "9e20110ce922611c1d47834387abe3f0f485b73a8792b3df442946d3041c784c",
+            "extract_dir": "nats-server-v2.9.21-windows-386"
         },
         "arm64": {
-            "url": "https://github.com/nats-io/nats-server/releases/download/v2.9.20/nats-server-v2.9.20-windows-arm64.zip",
-            "hash": "176db178aff63bfbc845d3bc87d8cfa5db878fdfe2232c09d9fdfb15549a46f1",
-            "extract_dir": "nats-server-v2.9.20-windows-arm64"
+            "url": "https://github.com/nats-io/nats-server/releases/download/v2.9.21/nats-server-v2.9.21-windows-arm64.zip",
+            "hash": "3340c9e956f9d4d4e525957ca2bbedfddc486abd305198699373932a376b633e",
+            "extract_dir": "nats-server-v2.9.21-windows-arm64"
         }
     },
     "bin": "nats-server.exe",