diff --git a/key-value-versions-app/app/Models/KeyValueVersion.php b/key-value-versions-app/app/Models/KeyValueVersion.php
new file mode 100644
index 0000000..4cb53d2
--- /dev/null
+++ b/key-value-versions-app/app/Models/KeyValueVersion.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class KeyValueVersion extends Model
+{
+    protected $table = 'key_value_versions';
+
+    protected $fillable = [
+        'key',
+        'value',
+        'value_hash',
+        'created_at',
+    ];
+
+    public $timestamps = false;
+
+    /**
+     * The attributes that should be cast.
+     *
+     * @var array
+     */
+    protected $casts = [
+        'created_at' => 'datetime',
+    ];
+}
diff --git a/key-value-versions-app/database/migrations/2025_08_10_150000_create_key_value_versions_table.php b/key-value-versions-app/database/migrations/2025_08_10_150000_create_key_value_versions_table.php
new file mode 100644
index 0000000..c05c839
--- /dev/null
+++ b/key-value-versions-app/database/migrations/2025_08_10_150000_create_key_value_versions_table.php
@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('key_value_versions', function (Blueprint $table) {
+            $table->id();
+            $table->text('key');
+            $table->text('value');
+            $table->text('value_hash');
+            $table->timestampTz('created_at')->useCurrent();
+
+            $table->index(['key'], 'idx_kvv_key');
+            $table->index(['key', 'created_at'], 'idx_kvv_key_created_at');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('key_value_versions');
+    }
+};