diff --git a/VERSION.txt b/VERSION.txt
index 97276d1dee4b..6f4fe76b0940 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-5.8.7
\ No newline at end of file
+5.8.8
\ No newline at end of file
diff --git a/config/ninja.php b/config/ninja.php
index add7d2a3baf8..92afeebfa804 100644
--- a/config/ninja.php
+++ b/config/ninja.php
@@ -17,8 +17,8 @@ return [
     'require_https' => env('REQUIRE_HTTPS', true),
     'app_url' => rtrim(env('APP_URL', ''), '/'),
     'app_domain' => env('APP_DOMAIN', 'invoicing.co'),
-    'app_version' => env('APP_VERSION', '5.8.7'),
-    'app_tag' => env('APP_TAG', '5.8.7'),
+    'app_version' => env('APP_VERSION', '5.8.8'),
+    'app_tag' => env('APP_TAG', '5.8.8'),
     'minimum_client_version' => '5.0.16',
     'terms_version' => '1.0.1',
     'api_secret' => env('API_SECRET', false),
diff --git a/database/migrations/2024_01_10_071427_normalize_product_cost_types.php b/database/migrations/2024_01_10_071427_normalize_product_cost_types.php
new file mode 100644
index 000000000000..8c9530c4aca6
--- /dev/null
+++ b/database/migrations/2024_01_10_071427_normalize_product_cost_types.php
@@ -0,0 +1,53 @@
+<?php
+
+use App\Utils\Ninja;
+use App\Models\Invoice;
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        
+        if(Ninja::isHosted()) {
+            return;
+        }
+
+        set_time_limit(0);
+
+        Invoice::withTrashed()
+            ->where('is_deleted', false)
+            ->cursor()
+            ->each(function (Invoice $invoice) {
+
+
+                $line_items = $invoice->line_items;
+
+                foreach ($line_items as $key => $item) {
+
+                    if(property_exists($item, 'product_cost')) {
+                        $line_items[$key]->product_cost = (float) $line_items[$key]->product_cost;
+                    }
+
+                }
+
+                $invoice->line_items = $line_items;
+                $invoice->saveQuietly();
+
+            });
+
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        //
+    }
+};