diff --git a/package.json b/package.json
index d4b6d49c..71c63313 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     ],
     "dependencies": {
         "@fortawesome/fontawesome-free": "^6.1.1",
-        "@tweenjs/tween.js": "^18.6.0",
+        "@tweenjs/tween.js": "^16.6.0",
         "base64-js": "^1.5.1",
         "buffer-crc32": "^0.2.13",
         "compression": "^1.7.4",
diff --git a/src/ext/tween.js b/src/ext/tween.js
index 489c3c3f..35cf582c 120000
--- a/src/ext/tween.js
+++ b/src/ext/tween.js
@@ -1 +1 @@
-../../node_modules/@tweenjs/tween.js/dist/tween.umd.js
\ No newline at end of file
+../../node_modules/@tweenjs/tween.js/src/Tween.js
\ No newline at end of file