diff --git a/kms/auth-simple/package.json b/kms/auth-simple/package.json
index 987d22c1..ce4d8a3b 100644
--- a/kms/auth-simple/package.json
+++ b/kms/auth-simple/package.json
@@ -15,7 +15,7 @@
     "check": "bun run lint && bun run test:run"
   },
   "dependencies": {
-    "hono": "4.12.18",
+    "hono": "4.12.21",
     "@hono/zod-validator": "0.2.2",
     "zod": "3.25.76"
   },