diff --git a/package-lock.json b/package-lock.json
index 1b143927..af59469c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -585,8 +585,7 @@
     "buffer-from": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
-      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
-      "dev": true
+      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A=="
     },
     "builtin-modules": {
       "version": "1.1.1",
@@ -6193,8 +6192,7 @@
     "source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-      "dev": true
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
     },
     "source-map-resolve": {
       "version": "0.5.2",
@@ -6210,10 +6208,9 @@
       }
     },
     "source-map-support": {
-      "version": "0.5.6",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.6.tgz",
-      "integrity": "sha512-N4KXEz7jcKqPf2b2vZF11lQIz9W5ZMuUcIOGj243lduidkf2fjkVKJS9vNxVWn3u/uxX38AcE8U9nnH9FPcq+g==",
-      "dev": true,
+      "version": "0.5.7",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.7.tgz",
+      "integrity": "sha512-xkQxe0zaJhFZe/Q59dWlg9WM8nmcQVgHNdlRnm80qr4y3ypleexZ/B3bY0UUig9XvhQfM+1/QD62QrA40MJ0ng==",
       "requires": {
         "buffer-from": "^1.0.0",
         "source-map": "^0.6.0"
diff --git a/package.json b/package.json
index 989ffe1d..eb73301e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "snyk-nodejs-lockfile-parser",
   "description": "Generate a dep tree given a lockfile",
-  "main": "dist/lib/index.js",
+  "main": "dist/index.js",
   "bin": {
     "parse-nodejs-lockfile": "./bin/index.js"
   },
@@ -14,22 +14,25 @@
     "prepare": "npm run build",
     "semantic-release": "semantic-release"
   },
+  "types": "./dist/index.d.ts",
   "repository": {
     "type": "git",
     "url": "https://github.com/snyk/nodejs-lockfile-parser.git"
   },
   "author": "snyk.io",
   "license": "Apache-2.0",
+  "engines": { "node" : ">=4" },
+  "files": ["bin", "dist"],
   "homepage": "https://github.com/snyk/nodejs-lockfile-parser#readme",
   "dependencies": {
     "lodash": "4.17.10",
-    "path": "0.12.7"
+    "path": "0.12.7",
+    "source-map-support": "^0.5.7"
   },
   "devDependencies": {
     "@types/node": "10.5.5",
     "@types/sinon": "5.0.1",
     "sinon": "6.1.4",
-    "source-map-support": "^0.5.6",
     "tap": "github:snyk/node-tap#alternative-runtimes",
     "ts-node": "7.0.0",
     "tslint": "5.11.0",
diff --git a/tsconfig.json b/tsconfig.json
index b60c2afb..780c23f6 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -8,10 +8,9 @@
         ],
         "module": "commonjs",
         "sourceMap": true,
-        "allowJs": true,
+        "declaration": true,
     },
     "include": [
         "./lib/**/*",
-        "./newrelic.ts"
     ]
 }