diff --git a/.github/workflows/auto-npm-publish.yml b/.github/workflows/auto-npm-publish.yml
new file mode 100644
index 0000000..718f4aa
--- /dev/null
+++ b/.github/workflows/auto-npm-publish.yml
@@ -0,0 +1,23 @@
+name: auto-npm-publish
+on:
+  push:
+    branches:
+      - master
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 10
+      - run: npm install
+      - run: npm test
+      - run: npm run build:prod
+      - name: NPM Publish
+        uses: JS-DevTools/npm-publish@v1
+        with:
+          package: ./dist/ngx-mqtt/package.json
+          check-version: true
+          token: ${{ secrets.NPM_TOKEN }}
+
diff --git a/projects/ngx-mqtt/.no-postinstall b/projects/ngx-mqtt/.no-postinstall
new file mode 100644
index 0000000..e69de29
diff --git a/projects/ngx-mqtt/postinstall.js b/projects/ngx-mqtt/postinstall.js
index d93a106..fdc334c 100644
--- a/projects/ngx-mqtt/postinstall.js
+++ b/projects/ngx-mqtt/postinstall.js
@@ -3,6 +3,21 @@ if (process.env['mqtt-disable-hook']) {
 }
 
 const fs = require('fs');
+
+// to check if it's development directory
+// the .no-postinstall file is used
+// it doesn't exist in built library
+const noPostInstallPath = './.no-postinstall';
+try {
+  if (fs.existsSync(noPostInstallPath)) {
+    // don't run postinstall in the dev directory
+    return 0;
+  }
+} catch(err) {
+  console.error(err);
+  return 1;
+}
+
 const f = '../../node_modules/@angular-devkit/build-angular/src/angular-cli-files/models/webpack-configs/browser.js';
 
 fs.readFile(f, 'utf8', function (err,data) {