diff --git a/bin/setup.js b/bin/setup.js
new file mode 100755
index 0000000..d14e124
--- /dev/null
+++ b/bin/setup.js
@@ -0,0 +1,16 @@
+#!/usr/bin/env node
+const path = require('path')
+const fs = require('fs')
+
+const dir = __dirname
+const root = path.resolve(dir, '..')
+
+const exists = fs.existsSync(path.resolve(root, './src'))
+if (!exists) {
+  console.log('src already removed - skipping')
+  process.exit(0)
+}
+
+const { spawn } = require('child_process')
+
+spawn('npm run build && rm -rf ./src', { cwd: root, shell: true, stdio: 'inherit' })
diff --git a/package.json b/package.json
index a7c46d1..b10da60 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
     "url": "https://github.com/MichalLytek"
   },
   "scripts": {
+    "build": "tsc --build",
     "test": "jest --verbose --coverage",
     "test:ci": "jest --verbose --coverage --ci --forceExit --detectOpenHandles --runInBand",
     "test:watch": "jest --watch",
@@ -17,7 +18,7 @@
     "verify": "npm run check && npm run lint",
     "package": "gulp package",
     "docs": "npm run --prefix website start",
-    "postinstall": "node ./dist/postinstall || exit 0"
+    "postinstall": "npm run build && node ./dist/postinstall || exit 0"
   },
   "peerDependencies": {
     "class-validator": ">=0.13.0",
@@ -127,5 +128,6 @@
   "engines": {
     "node": ">= 14.5.0"
   },
-  "private": true
+  "private": true,
+  "bin": "./bin/setup.js"
 }
diff --git a/tsconfig.json b/tsconfig.json
index 542c4c4..0a8debe 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -13,7 +13,7 @@
     "declaration": true,                      /* Generates corresponding '.d.ts' file. */
     "sourceMap": true,                        /* Generates corresponding '.map' file. */
     // "outFile": "./",                       /* Concatenate and emit output to single file. */
-    "outDir": "./build",                      /* Redirect output structure to the directory. */
+    "outDir": "./dist",                      /* Redirect output structure to the directory. */
     // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
     "removeComments": false,                  /* Do not emit comments to output. */
     // "noEmit": true,                        /* Do not emit outputs. */
@@ -60,8 +60,7 @@
     "emitDecoratorMetadata": true             /* Enables experimental support for emitting type metadata for decorators. */
   },
   "include": [
-    "./src",
-    "./tests"
+    "./src"
   ],
   "exclude": [
     "./examples/apollo-client"