diff --git a/package-lock.json b/package-lock.json
index c8700476d..1a2a722a2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "vscode-languageclient": "^9.0.1",
         "vscode-uri": "^3.0.7",
         "which": "^5.0.0",
-        "zod": "^3.21.4"
+        "zod": "^4.1.9"
       },
       "devDependencies": {
         "@esbuild-plugins/node-globals-polyfill": "^0.2.3",
@@ -11614,9 +11614,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.1.9",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.1.9.tgz",
+      "integrity": "sha512-HI32jTq0AUAC125z30E8bQNz0RQ+9Uc+4J7V97gLYjZVKRjeydPgGt6dvQzFrav7MYOUGFqqOGiHpA/fdbd0cQ==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/package.json b/package.json
index 6e130a9f4..e81fb69ac 100644
--- a/package.json
+++ b/package.json
@@ -1012,7 +1012,7 @@
     "vscode-languageclient": "^9.0.1",
     "vscode-uri": "^3.0.7",
     "which": "^5.0.0",
-    "zod": "^3.21.4"
+    "zod": "^4.1.9"
   },
   "devDependencies": {
     "@esbuild-plugins/node-globals-polyfill": "^0.2.3",