diff --git a/pkg-update.js b/pkg-update.js
index 33d2d20..a452af8 100644
--- a/pkg-update.js
+++ b/pkg-update.js
@@ -1,4 +1,2 @@
-const fs = require('fs');
-const { spawn } = require('child_process');
-const packageInfo = JSON.parse(fs.readFileSync("./package.json"));
-spawn('npm', ['install', '--save-dev', ...Object.keys(packageInfo.devDependencies)], {stdio: 'inherit', detached: true});
\ No newline at end of file
+const json = JSON.parse(require('fs').readFileSync("package.json"));
+require('child_process').spawn('npm', ['i', '-D', ...Object.keys(json.devDependencies)], {stdio: 'inherit', detached: true});
\ No newline at end of file