diff --git a/mastering-studies/mastering-rxjs/rxjs-fundamentals/package-lock.json b/mastering-studies/mastering-rxjs/rxjs-fundamentals/package-lock.json
index 762e9b86..8131b032 100644
--- a/mastering-studies/mastering-rxjs/rxjs-fundamentals/package-lock.json
+++ b/mastering-studies/mastering-rxjs/rxjs-fundamentals/package-lock.json
@@ -8418,9 +8418,9 @@
       }
     },
     "luxon": {
-      "version": "1.28.0",
-      "resolved": "https://registry.npmjs.org/luxon/-/luxon-1.28.0.tgz",
-      "integrity": "sha512-TfTiyvZhwBYM/7QdAVDh+7dBTBA29v4ik0Ce9zda3Mnf8on1S5KJI8P2jKFZ8+5C0jhmr0KwJEO/Wdpm0VeWJQ==",
+      "version": "1.28.1",
+      "resolved": "https://registry.npmjs.org/luxon/-/luxon-1.28.1.tgz",
+      "integrity": "sha512-gYHAa180mKrNIUJCbwpmD0aTu9kV0dREDrwNnuyFAsO1Wt0EVYSZelPnJlbj9HplzXX/YWXHFTL45kvZ53M0pw==",
       "dev": true
     },
     "make-dir": {