diff --git a/bun.lock b/bun.lock
index 0a8d845..ba8106b 100644
--- a/bun.lock
+++ b/bun.lock
@@ -6,7 +6,7 @@
       "name": "up-vector",
       "dependencies": {
         "hono": "^4.13.3",
-        "zod": "^4.4.3",
+        "zod": "^4.5.4",
       },
       "devDependencies": {
         "@biomejs/biome": "^2.5.10",
@@ -49,6 +49,6 @@
 
     "undici-types": ["undici-types@7.18.2", "", {}, "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w=="],
 
-    "zod": ["zod@4.4.3", "", {}, "sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ=="],
+    "zod": ["zod@4.5.4", "", {}, "sha512-sC95tT5iHHH9gtpj6A81kh+NEaRAUFN+qlUPDUbRfOMvNf5QCBqsb3WgvnpVtK5Y+4UfA6KqufotuTvMGiTlsA=="],
   }
 }
diff --git a/package.json b/package.json
index d80681e..43edc97 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
 	},
 	"dependencies": {
 		"hono": "^4.13.3",
-		"zod": "^4.4.3"
+		"zod": "^4.5.4"
 	},
 	"devDependencies": {
 		"@biomejs/biome": "^2.5.10",