diff --git a/composer.json b/composer.json
index 6b0ec01..9ead8a2 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     ],
     "require": {
         "php": ">=7.2",
-        "rubix/ml": "^0.1.0-rc2"
+        "rubix/ml": "^0.1.0"
     },
     "scripts": {
         "train": "@php train.php",
diff --git a/validate.php b/validate.php
index d8988ee..b9ee95c 100644
--- a/validate.php
+++ b/validate.php
@@ -29,6 +29,8 @@
 
 $results = $report->generate($predictions, $dataset->labels());
 
-file_put_contents('report.json', json_encode($results, JSON_PRETTY_PRINT));
+echo $results;
+
+$results->toJSON()->write('report.json');
 
 echo 'Report saved to report.json' . PHP_EOL;