diff --git a/package.json b/package.json
index 7a7adec..8887d04 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@duckdb/node-api": "1.2.0-alpha.15",
     "@modelcontextprotocol/sdk": "^1.6.0",
     "fuse.js": "^7.1.0",
-    "zod": "^3.24.2"
+    "zod": "^4.0.14"
   },
   "devDependencies": {
     "@changesets/cli": "^2.28.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 1cffdb6..3b9e155 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -18,8 +18,8 @@ importers:
         specifier: ^7.1.0
         version: 7.1.0
       zod:
-        specifier: ^3.24.2
-        version: 3.25.74
+        specifier: ^4.0.14
+        version: 4.0.14
     devDependencies:
       '@changesets/cli':
         specifier: ^2.28.1
@@ -1604,6 +1604,7 @@ packages:
   source-map@0.8.0-beta.0:
     resolution: {integrity: sha512-2ymg6oRBpebeZi9UUNsgQ89bhx01TcTkmNTGnNO88imTmbSgy4nfujrgVEFKWpMTEGA11EDkTt7mqObTPdigIA==}
     engines: {node: '>= 8'}
+    deprecated: The work that was done in this beta branch won't be included in future versions
 
   spawndamnit@3.0.1:
     resolution: {integrity: sha512-MmnduQUuHCoFckZoWnXsTg7JaiLBJrKFj9UI2MbRPGaJeVpsLcVBu6P/IGZovziM/YBsellCmsprgNA+w0CzVg==}
@@ -1871,8 +1872,11 @@ packages:
     peerDependencies:
       zod: ^3.24.1
 
-  zod@3.25.74:
-    resolution: {integrity: sha512-J8poo92VuhKjNknViHRAIuuN6li/EwFbAC8OedzI8uxpEPGiXHGQu9wemIAioIpqgfB4SySaJhdk0mH5Y4ICBg==}
+  zod@3.25.76:
+    resolution: {integrity: sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==}
+
+  zod@4.0.14:
+    resolution: {integrity: sha512-nGFJTnJN6cM2v9kXL+SOBq3AtjQby3Mv5ySGFof5UGRHrRioSJ5iG680cYNjE/yWk671nROcpPj4hAS8nyLhSw==}
 
 snapshots:
 
@@ -2249,8 +2253,8 @@ snapshots:
       express-rate-limit: 7.5.0(express@5.1.0)
       pkce-challenge: 5.0.0
       raw-body: 3.0.0
-      zod: 3.25.74
-      zod-to-json-schema: 3.24.5(zod@3.25.74)
+      zod: 3.25.76
+      zod-to-json-schema: 3.24.5(zod@3.25.76)
     transitivePeerDependencies:
       - supports-color
 
@@ -3606,8 +3610,10 @@ snapshots:
 
   wrappy@1.0.2: {}
 
-  zod-to-json-schema@3.24.5(zod@3.25.74):
+  zod-to-json-schema@3.24.5(zod@3.25.76):
     dependencies:
-      zod: 3.25.74
+      zod: 3.25.76
+
+  zod@3.25.76: {}
 
-  zod@3.25.74: {}
+  zod@4.0.14: {}