diff --git a/.travis.yml b/.travis.yml
index f608f5d05..88e3356c0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ dist: trusty
 
 language: node_js
 node:
-  - 14
+  - 18
 
 if: tag IS blank AND commit_message =~ ci-build
 
@@ -13,11 +13,13 @@ jobs:
       os: osx
       osx_image: "xcode12.5"
       script:
+        - npm run prepublish
         - electron-builder --publish=always
 
     - name: "Linux"
       os: linux
       script:
+        - npm run prepublish
         - sudo apt-get install rpm
         - electron-builder --publish=onTagOrDraft
 
diff --git a/scripts/generate_pwa.js b/scripts/generate_pwa.js
index ec614b927..7f5cf0fc6 100644
--- a/scripts/generate_pwa.js
+++ b/scripts/generate_pwa.js
@@ -1,11 +1,4 @@
 const workbox = require('workbox-build');
-const fs = require('fs');
-
-let bundle_file = fs.readFileSync('./js/webpack/bundle.js', 'utf-8');
-/*if (bundle_file.match(/</)) {
-	console.error('\x1b[31m', 'Invalid symbol detected in bundle');
-	process.exit(1);
-}*/
 
 workbox.generateSW({
 	cacheId: 'blockbench',