diff --git a/packages/root/package.json b/packages/root/package.json
index c3e689c..b36a9f0 100755
--- a/packages/root/package.json
+++ b/packages/root/package.json
@@ -13,6 +13,9 @@
   "author": "Ilya Strus <strax1990@gmail.com>",
   "license": "MIT",
   "types": "dist/index.d.ts",
+  "engines": {
+    "node": ">=10"
+  },
   "scripts": {
     "build": "npm run clean && npm run compile",
     "clean": "rm -rf ./dist",
diff --git a/tsconfig.build.json b/tsconfig.build.json
index 4ba9b45..ba34699 100755
--- a/tsconfig.build.json
+++ b/tsconfig.build.json
@@ -3,7 +3,7 @@
     "declaration": true,
     "strictNullChecks": true,
     "esModuleInterop": true,
-    "target": "es6",
+    "target": "ES2018",
     "module": "commonjs",
     "moduleResolution": "node",
     "sourceMap": true,
diff --git a/tsconfig.json b/tsconfig.json
index e3ce771..2adda0b 100755
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,7 +3,7 @@
     "declaration": false,
     "strictNullChecks": true,
     "esModuleInterop": true,
-    "target": "es6",
+    "target": "ES2018",
     "module": "commonjs",
     "moduleResolution": "node",
     "sourceMap": true,