diff --git a/package-lock.json b/package-lock.json
index bf4431d6..b4ec92d2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10051,9 +10051,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.4.3.tgz",
+      "integrity": "sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
@@ -10080,7 +10080,7 @@
         "@types/yargs": "^17.0.33",
         "process": "^0.11.10",
         "yargs": "^18.0.0",
-        "zod": "^3.25.76"
+        "zod": "^4.0.0"
       },
       "bin": {
         "backupdr-mcp": "dist/bundle.js"
@@ -10100,7 +10100,7 @@
         "memfs": "^4.36.0",
         "prettier": "^3.6.2",
         "ts-node": "^10.9.2",
-        "turbo": "*",
+        "turbo": "latest",
         "typescript": "^5.9.2",
         "typescript-eslint": "^8.39.0",
         "vitest": "^3.2.4"
@@ -10114,7 +10114,7 @@
         "@modelcontextprotocol/sdk": "^1.26.0",
         "@types/yargs": "^17.0.33",
         "yargs": "^18.0.0",
-        "zod": "^3.25.76"
+        "zod": "^4.0.0"
       },
       "bin": {
         "gcloud-mcp": "dist/bundle.js"
@@ -10132,7 +10132,7 @@
         "eslint-plugin-license-header": "^0.9.0",
         "eslint-plugin-prettier": "^5.5.4",
         "prettier": "^3.6.2",
-        "turbo": "*",
+        "turbo": "latest",
         "typescript": "^5.9.2",
         "typescript-eslint": "^8.39.0",
         "vitest": "^3.2.4"
@@ -10148,7 +10148,7 @@
         "google-auth-library": "^10.1.0",
         "googleapis": "^171.0.0",
         "yargs": "^18.0.0",
-        "zod": "^3.25.76"
+        "zod": "^4.0.0"
       },
       "bin": {
         "observability-mcp": "dist/bundle.js"
@@ -10168,7 +10168,7 @@
         "memfs": "^4.36.0",
         "prettier": "^3.6.2",
         "ts-node": "^10.9.2",
-        "turbo": "*",
+        "turbo": "latest",
         "typescript": "^5.9.2",
         "typescript-eslint": "^8.39.0",
         "vitest": "^3.2.4"
@@ -10191,7 +10191,7 @@
         "iconv-lite": "^0.7.0",
         "mime-types": "^2.1.35",
         "yargs": "^18.0.0",
-        "zod": "^3.25.76"
+        "zod": "^4.0.0"
       },
       "bin": {
         "storage-mcp": "dist/bundle.js"
@@ -10210,7 +10210,7 @@
         "eslint-plugin-license-header": "^0.9.0",
         "eslint-plugin-prettier": "^5.5.4",
         "prettier": "^3.6.2",
-        "turbo": "*",
+        "turbo": "latest",
         "typescript": "^5.9.2",
         "typescript-eslint": "^8.39.0",
         "vitest": "^3.2.4"
diff --git a/packages/backupdr-mcp/package.json b/packages/backupdr-mcp/package.json
index ab218997..eb8d6239 100644
--- a/packages/backupdr-mcp/package.json
+++ b/packages/backupdr-mcp/package.json
@@ -67,6 +67,6 @@
     "@types/yargs": "^17.0.33",
     "process": "^0.11.10",
     "yargs": "^18.0.0",
-    "zod": "^3.25.76"
+    "zod": "^4.0.0"
   }
 }
diff --git a/packages/gcloud-mcp/package.json b/packages/gcloud-mcp/package.json
index b611d6c5..fc821224 100644
--- a/packages/gcloud-mcp/package.json
+++ b/packages/gcloud-mcp/package.json
@@ -59,6 +59,6 @@
     "@modelcontextprotocol/sdk": "^1.26.0",
     "@types/yargs": "^17.0.33",
     "yargs": "^18.0.0",
-    "zod": "^3.25.76"
+    "zod": "^4.0.0"
   }
 }
diff --git a/packages/observability-mcp/package.json b/packages/observability-mcp/package.json
index 4ab02b94..067cd409 100644
--- a/packages/observability-mcp/package.json
+++ b/packages/observability-mcp/package.json
@@ -44,7 +44,7 @@
     "googleapis": "^171.0.0",
     "@types/yargs": "^17.0.33",
     "yargs": "^18.0.0",
-    "zod": "^3.25.76"
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "typescript": "^5.9.2",
diff --git a/packages/storage-mcp/package.json b/packages/storage-mcp/package.json
index 7f4e0c25..86e7a9ec 100644
--- a/packages/storage-mcp/package.json
+++ b/packages/storage-mcp/package.json
@@ -71,6 +71,6 @@
     "iconv-lite": "^0.7.0",
     "mime-types": "^2.1.35",
     "yargs": "^18.0.0",
-    "zod": "^3.25.76"
+    "zod": "^4.0.0"
   }
 }