package.json in ts_assets-0.1.1 vs package.json in ts_assets-0.1.2

@@ -1,16 +1,15 @@
 {
   "name": "ts_assets-rails",
   "private": true,
   "version": "0.1.0",
   "description": "Rails assets helper for TypeScript",
-  "main": "index.js",
-  "directories": {
-    "lib": "lib"
+  "engines": {
+    "node": ">= 6.0",
+    "npm": ">= 5.3"
   },
   "scripts": {
-    "pretest": "bundle exec rake generate",
     "test": "jest",
     "lint": "tslint '__tests__/**/*.{ts,tsx}'"
   },
   "repository": {
     "type": "git",
@@ -32,11 +31,11 @@
     "jest": "*",
     "react": "*",
     "react-dom": "*",
     "react-test-renderer": "*",
     "ts-jest": "*",
-    "tslint": "*",
-    "typescript": "*"
+    "tslint": "^5.6.0",
+    "typescript": "^2.4.2"
   },
   "jest": {
     "transform": {
       "^.+\\.tsx?$": "<rootDir>/node_modules/ts-jest/preprocessor.js"
     },