diff --git a/apps/mcp-client/package.json b/apps/mcp-client/package.json
index c117543..59891c4 100644
--- a/apps/mcp-client/package.json
+++ b/apps/mcp-client/package.json
@@ -20,7 +20,7 @@
     "zod": "^4.0.0"
   },
   "devDependencies": {
-    "@types/node": "^20",
+    "@types/node": "^26",
     "typescript": "^5.6.0"
   }
 }
diff --git a/apps/mcp/package.json b/apps/mcp/package.json
index f942376..ec75fb6 100644
--- a/apps/mcp/package.json
+++ b/apps/mcp/package.json
@@ -23,7 +23,7 @@
     "zod": "^4.0.0"
   },
   "devDependencies": {
-    "@types/node": "^20",
+    "@types/node": "^26",
     "typescript": "^5.6.0"
   }
 }
diff --git a/apps/web/package.json b/apps/web/package.json
index 1f29b94..1ff4387 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -26,7 +26,7 @@
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
     "@types/hast": "^3.0.5",
-    "@types/node": "^20",
+    "@types/node": "^26",
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "eslint": "^9",
diff --git a/packages/db/package.json b/packages/db/package.json
index 2cb6973..63643c8 100644
--- a/packages/db/package.json
+++ b/packages/db/package.json
@@ -14,7 +14,7 @@
   },
   "devDependencies": {
     "drizzle-kit": "^0.31.10",
-    "@types/node": "^20"
+    "@types/node": "^26"
   },
   "scripts": {
     "db:generate": "drizzle-kit generate",