Fixing license in package

package.json

@@ -1,6 +1,6 @@
 {
   "name": "scorm-again",
-  "version": "1.5.3",
+  "version": "1.5.4",
   "description": "A modern SCORM JavaScript run-time library for AICC, SCORM 1.2, and SCORM 2004",
   "main": "dist/scorm-again.min.js",
   "directories": {
@@ -57,7 +57,7 @@
     "cmi"
   ],
   "author": "Jonathan Putney <jonathan@putney.io>",
-  "license": "GPL-3.0-or-later",
+  "license": "MIT",
   "bugs": {
     "url": "https://github.com/jcputney/scorm-again/issues"
   },