diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..c371e08
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,30 @@
+{
+  "name": "nodejs-hands-on",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "nodejs-hands-on",
+      "version": "1.0.0",
+      "license": "CC0-1.0",
+      "devDependencies": {
+        "prettier": "^3.0.0"
+      }
+    },
+    "node_modules/prettier": {
+      "version": "3.0.3",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    }
+  }
+}
diff --git a/yarn.lock b/yarn.lock
deleted file mode 100644
index 72f9b7e..0000000
--- a/yarn.lock
+++ /dev/null
@@ -1,8 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-
-prettier@^3.0.0:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.0.3.tgz#432a51f7ba422d1469096c0fdc28e235db8f9643"
-  integrity sha512-L/4pUDMxcNa8R/EthV08Zt42WBO4h1rarVtK0K+QJG0X187OLo7l699jWw0GKuwzkPQ//jMFA/8Xm6Fh3J/DAg==