diff --git a/bun.lockb b/bun.lockb
index b046bbbb..e75c80d6 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index 0dc6b36b..f50359b2 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
     "preview": "vitepress preview course"
   },
   "devDependencies": {
+    "@types/node": "^20.11.0",
     "medium-zoom": "^1.0.8",
     "prettier": "^3.0.3",
     "vitepress": "^1.0.0-rc.11"