diff --git a/package-lock.json b/package-lock.json
index 63a3927..a2335f7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.12.0",
         "redis": "^5.11.0",
-        "zod": "^4.3.6"
+        "zod": "^4.5.4"
       },
       "bin": {
         "5emcp": "dist/index.js"
@@ -3871,9 +3871,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "4.3.6",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-4.3.6.tgz",
-      "integrity": "sha512-rftlrkhHZOcjDwkGlnUtZZkvaPHCsDATp4pGpuOOMDaTdDDXF91wuVDJoWoPsKX/3YPQ5fHuF3STjcYyKr+Qhg==",
+      "version": "4.5.4",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.5.4.tgz",
+      "integrity": "sha512-sC95tT5iHHH9gtpj6A81kh+NEaRAUFN+qlUPDUbRfOMvNf5QCBqsb3WgvnpVtK5Y+4UfA6KqufotuTvMGiTlsA==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/package.json b/package.json
index 8444e1b..00a9694 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.12.0",
     "redis": "^5.11.0",
-    "zod": "^4.3.6"
+    "zod": "^4.5.4"
   },
   "devDependencies": {
     "@types/node": "^25.5.0",