diff --git a/compiler/package-lock.json b/compiler/package-lock.json
index 09d2d40..d0bd049 100644
--- a/compiler/package-lock.json
+++ b/compiler/package-lock.json
@@ -4047,6 +4047,12 @@
       "resolved": "https://registry.npmmirror.com/typescript/download/typescript-4.5.4.tgz",
       "integrity": "sha512-VgYs2A2QIRuGphtzFV7aQJduJ2gyfTljngLzjpfW9FoYZF6xuw1W0vW9ghCKLfcWrCFxK81CSGRAvS1pn4fIUg=="
     },
+    "uglify-js": {
+      "version": "3.14.5",
+      "resolved": "https://registry.npmmirror.com/uglify-js/download/uglify-js-3.14.5.tgz",
+      "integrity": "sha512-qZukoSxOG0urUTvjc2ERMTcAy+BiFh3weWAkeurLwjrCba73poHmG3E36XEjd/JGukMzwTL7uCxZiAexj8ppvQ==",
+      "dev": true
+    },
     "unicode-canonical-property-names-ecmascript": {
       "version": "2.0.0",
       "resolved": "https://registry.nlark.com/unicode-canonical-property-names-ecmascript/download/unicode-canonical-property-names-ecmascript-2.0.0.tgz",
diff --git a/compiler/package.json b/compiler/package.json
index ee9a8e1..b3b92f1 100644
--- a/compiler/package.json
+++ b/compiler/package.json
@@ -10,7 +10,7 @@
   ],
   "scripts": {
     "lint": "eslint --fix ./src --ext .ts",
-    "build": "npm run generateSyntaxParser && npm run generateDeclarations && ./node_modules/.bin/babel ./src --out-dir lib --extensions .ts",
+    "build": "npm run generateSyntaxParser && npm run generateDeclarations && ./node_modules/.bin/babel ./src --out-dir lib --extensions .ts && node uglify-source.js lib",
     "create": "node ./lib/create.js --env projectName",
     "compile": "webpack --config webpack.config.js --env buildMode=debug projectName",
     "test": "npm run build && mocha -r mocha-context/register test/test.js",
@@ -31,7 +31,7 @@
     "mocha": "^8.2.1",
     "mocha-context": "^0.1.5",
     "ts-node": "^9.1.1",
-    "uglify-es": "^3.3.10",
+    "uglify-js": "^3.13.0",
     "pegjs": "^0.10.0"
   },
   "dependencies": {
diff --git a/compiler/uglify-source.js b/compiler/uglify-source.js
index 0823ead..397d5eb 100644
--- a/compiler/uglify-source.js
+++ b/compiler/uglify-source.js
@@ -15,7 +15,7 @@
 
 const fs = require('fs')
 const path = require('path')
-const uglifyJS = require('uglify-es')
+const uglifyJS = require('uglify-js')
 
 readCode(process.argv[2])