diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index 139523a..0000000
--- a/.npmignore
+++ /dev/null
@@ -1,30 +0,0 @@
-.git
-.idea
-node_modules/
-nbproject/
-.vs*/
-*.code-workspace
-Thumbs.db
-
-# CI test files
-test/
-travis/
-.travis.yml
-appveyor.yml
-.travis.yaml
-appveyor.yaml
-
-# Type checking configuration
-tsconfig.json
-tsconfig.*.json
-
-# ESLint configuration
-.eslintrc.json
-.eslintrc.js
-
-# npm package files
-iobroker.*.tgz
-package-lock.json
-
-# maintenance scripts
-maintenance/**
\ No newline at end of file
diff --git a/package.json b/package.json
index afe6dc8..78c1488 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,15 @@
     "sinon-chai": "^3.7.0"
   },
   "main": "main.js",
+  "files": [
+    "admin{,/!(src)/**}/!(tsconfig|tsconfig.*|.eslintrc).{json,json5}",
+    "admin{,/!(src)/**}/*.{html,css,png,svg,jpg,js}",
+    "lib/",
+    "www/",
+    "io-package.json",
+    "LICENSE",
+    "main.js"
+  ],
   "scripts": {
     "test:js": "mocha \"{!(node_modules|test)/**/*.test.js,*.test.js,test/**/test!(PackageFiles|Startup).js}\"",
     "test:package": "mocha test/package --exit",