diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index 545eea2d..00000000
--- a/.npmignore
+++ /dev/null
@@ -1,27 +0,0 @@
-# Common files
-.editorconfig
-.gitattributes
-.gitignore
-tsconfig.json
-.eslintrc.json
-
-# Log & Cache files
-.eslintcache
-
-# Build files
-out/benchmark
-out/tests
-out/**/*.js.map
-out/**/*.spec.{d.ts,js}
-
-# Editor directories
-.vscode
-
-# Other directories
-.tmp
-.benchmark
-.github
-fixtures
-src
-node_modules
-typings
diff --git a/package.json b/package.json
index aa216634..9db69770 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,12 @@
   },
   "main": "out/index.js",
   "typings": "out/index.d.ts",
+  "files": [
+    "out",
+    "!out/{benchmark,tests}",
+    "!out/**/*.map",
+    "!out/**/*.spec.*"
+  ],
   "keywords": [
     "glob",
     "patterns",