diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index aa820d44..00000000
--- a/.npmignore
+++ /dev/null
@@ -1,11 +0,0 @@
-.nyc_output/
-coverage/
-test/
-.travis.yml
-appveyor.yml
-lib/**/__tests__/
-test/readme.md
-test.js
-.github/
-docs/
-CHANGELOG.md
\ No newline at end of file
diff --git a/package.json b/package.json
index fe78288d..b6df15c0 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,10 @@
     "standard": "^12.0.1"
   },
   "main": "./lib/index.js",
+  "files": [
+    "lib/",
+    "!lib/**/__tests__/"
+  ],
   "scripts": {
     "full-ci": "npm run lint && npm run coverage",
     "coverage": "istanbul cover -i 'lib/**' -x '**/__tests__/**' test.js",