diff --git a/package.json b/package.json
index 44145dbb5ee3b..0767e06c42651 100644
--- a/package.json
+++ b/package.json
@@ -18,9 +18,12 @@
     "worker": "./packages/cli/bin/n8n worker"
   },
   "devDependencies": {
-    "lerna": "^3.13.1",
+    "lerna": "^3.22.1",
     "rimraf": "^3.0.2",
-    "run-script-os": "^1.0.7"
+    "run-script-os": "^1.0.7",
+    "@types/express": "^4.4.3",
+    "typescript": "^4.4.3",
+    "uuid": "^8.1.0"
   },
   "postcss": {}
 }
diff --git a/packages/workflow/tsconfig.json b/packages/workflow/tsconfig.json
index fb101764485f2..508337df51835 100644
--- a/packages/workflow/tsconfig.json
+++ b/packages/workflow/tsconfig.json
@@ -2,12 +2,16 @@
 	"compilerOptions": {
 		"lib": [
 			"dom",
-			"es2017"
+			"es2018"
 		],
 		"types": [
 			"node",
 			"jest"
 		],
+		"lib": [
+			"dom",
+			"es2018"
+		]
 		"module": "commonjs",
 		"noImplicitAny": true,
 		"removeComments": true,
@@ -19,7 +23,7 @@
 		"preserveConstEnums": true,
 		"declaration": true,
 		"outDir": "./dist/",
-		"target": "es2017",
+		"target": "es2018"
 		"sourceMap": true
 	},
 	"include": [