diff --git a/package-lock.json b/package-lock.json
index 26261a7ade..83d862664b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3835,7 +3835,8 @@
         "@modelcontextprotocol/sdk": "^1.29.0",
         "diff": "^8.0.3",
         "glob": "^10.5.0",
-        "minimatch": "^10.0.1"
+        "minimatch": "^10.0.1",
+        "zod": "^4.0.0"
       },
       "bin": {
         "mcp-server-filesystem": "dist/index.js"
@@ -3855,7 +3856,8 @@
       "version": "0.6.3",
       "license": "SEE LICENSE IN LICENSE",
       "dependencies": {
-        "@modelcontextprotocol/sdk": "^1.29.0"
+        "@modelcontextprotocol/sdk": "^1.29.0",
+        "zod": "^4.0.0"
       },
       "bin": {
         "mcp-server-memory": "dist/index.js"
@@ -3875,7 +3877,8 @@
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.29.0",
         "chalk": "^5.3.0",
-        "yargs": "^17.7.2"
+        "yargs": "^17.7.2",
+        "zod": "^4.0.0"
       },
       "bin": {
         "mcp-server-sequential-thinking": "dist/index.js"
diff --git a/src/filesystem/package.json b/src/filesystem/package.json
index c943ce24d3..fbc8e58f8b 100644
--- a/src/filesystem/package.json
+++ b/src/filesystem/package.json
@@ -28,7 +28,8 @@
     "@modelcontextprotocol/sdk": "^1.29.0",
     "diff": "^8.0.3",
     "glob": "^10.5.0",
-    "minimatch": "^10.0.1"
+    "minimatch": "^10.0.1",
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@types/diff": "^5.0.9",
diff --git a/src/memory/package.json b/src/memory/package.json
index e32d25a3e2..43fa8d8711 100644
--- a/src/memory/package.json
+++ b/src/memory/package.json
@@ -25,7 +25,8 @@
     "test": "vitest run --coverage"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.29.0"
+    "@modelcontextprotocol/sdk": "^1.29.0",
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@types/node": "^22",
@@ -34,4 +35,4 @@
     "typescript": "^5.6.2",
     "vitest": "^4.1.8"
   }
-}
\ No newline at end of file
+}
diff --git a/src/sequentialthinking/package.json b/src/sequentialthinking/package.json
index a88de803b5..9fdfadfd42 100644
--- a/src/sequentialthinking/package.json
+++ b/src/sequentialthinking/package.json
@@ -27,7 +27,8 @@
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.29.0",
     "chalk": "^5.3.0",
-    "yargs": "^17.7.2"
+    "yargs": "^17.7.2",
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@types/node": "^22",
@@ -37,4 +38,4 @@
     "typescript": "^5.3.3",
     "vitest": "^4.1.8"
   }
-}
\ No newline at end of file
+}