diff --git a/.gitignore b/.gitignore
index 211d9aac..094a564d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ bin/
 
 *.swp
 src - Kopie
+/node_modules
diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
index 38e87c6c..f54ce1d4 100644
--- a/DEVELOPMENT.md
+++ b/DEVELOPMENT.md
@@ -15,9 +15,10 @@ The structure of PuzzleScript is the following:
 `./compile.js` uses [node](https://nodejs.org). So first off you have to install that.  Then you need to install the packages that it uses:
 
 ```
-npm i web-resource-inliner ncp rimraf compress-images gifsicle@5.3.0 glob concat ycssmin terser html-minifier-terser gzipper
+node install
 ```
 
+The specific packages and versions are now in `package.json`.
 Then you should be able to compile the site (outputted to the `./bin/` directory) with 
 
 ```
diff --git a/compile.js b/compile.js
index 80a02e09..0a6daf27 100644
--- a/compile.js
+++ b/compile.js
@@ -6,7 +6,7 @@ creates a highly compressed release build in bin of the contents of src
 
 packages used:
 
-npm i rimraf compress-images web-resource-inliner ncp gifsicle@5.3.0 concat ycssmin terser gzipper html-minifier-terser glob   
+npm i rimraf compress-images web-resource-inliner ncp gifsicle@5.3.0 concat ycssmin terser gzipper html-minifier-terser glob@8   
 */
 
 const fs = require("fs");
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 00000000..5e34f044
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,6 @@
+{
+  "name": "(increpare)PuzzleScript",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {}
+}
diff --git a/package.json b/package.json
new file mode 100644
index 00000000..054cd726
--- /dev/null
+++ b/package.json
@@ -0,0 +1,15 @@
+{
+  "dependencies": {
+    "compress-images": "^2.0.5",
+    "concat": "^1.0.3",
+    "gifsicle": "^5.3.0",
+    "glob": "^8.1.0",
+    "gzipper": "^7.2.0",
+    "html-minifier-terser": "^7.2.0",
+    "ncp": "^2.0.0",
+    "rimraf": "^3.0.2",
+    "terser": "^5.17.1",
+    "web-resource-inliner": "^6.0.1",
+    "ycssmin": "^1.0.1"
+  }
+}