diff --git a/bucket/kcptun.json b/bucket/kcptun.json
index 507dd5ac0d..4f46ec9ae5 100644
--- a/bucket/kcptun.json
+++ b/bucket/kcptun.json
@@ -1,12 +1,12 @@
 {
     "homepage": "https://github.com/xtaci/kcptun",
     "description": "A Stable & Secure Tunnel based on KCP with N:M multiplexing and FEC.",
-    "version": "20251205",
+    "version": "20251212",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/xtaci/kcptun/releases/download/v20251205/kcptun-windows-amd64-20251205.tar.gz",
-            "hash": "sha1:ac158985b0426af6df1b9087238875bd2d29adf6",
+            "url": "https://github.com/xtaci/kcptun/releases/download/v20251212/kcptun-windows-amd64-20251212.tar.gz",
+            "hash": "sha1:4dbeecf59e4709c5b16cc1f81edfdf82468c0f9a",
             "bin": [
                 [
                     "client_windows_amd64.exe",
@@ -19,8 +19,8 @@
             ]
         },
         "32bit": {
-            "url": "https://github.com/xtaci/kcptun/releases/download/v20251205/kcptun-windows-386-20251205.tar.gz",
-            "hash": "sha1:5b0d15b62938a840498fc8e699f129283eca7fd6",
+            "url": "https://github.com/xtaci/kcptun/releases/download/v20251212/kcptun-windows-386-20251212.tar.gz",
+            "hash": "sha1:4710af8c1a4fe63ce7e88722797378d1ec499fea",
             "bin": [
                 [
                     "client_windows_386.exe",