diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ee475d4..5d31b56 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,12 +13,27 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        php: [8.0]
+        php: [8.0, 8.1]
         laravel: [9.*]
         stability: [prefer-stable]
         include:
           - laravel: 9.*
             testbench: ^7.0
+    env:
+      DB_CONNECTION: testing
+      DB_DATABASE: laravel
+      DB_USERNAME: root
+      DB_PASSWORD: TestDB@1234
+    services:
+      mysql:
+        image: mysql:latest
+        env:
+          MYSQL_ALLOW_EMPTY_PASSWORD: false
+          MYSQL_ROOT_PASSWORD: TestDB@1234
+          MYSQL_DATABASE: laravel
+        ports:
+          - 3306/tcp
+        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.stability }} - ${{ matrix.os }}
 
@@ -30,7 +45,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
-          extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv, imagick, fileinfo
+          extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, mysql, bcmath, soap, intl, gd, exif, iconv, imagick, fileinfo
           coverage: none
 
       - name: Setup problem matchers
@@ -43,3 +58,5 @@ jobs:
           composer update --${{ matrix.stability }} --prefer-dist --no-interaction
       - name: Execute tests
         run: vendor/bin/phpunit
+        env:
+          DB_PORT: ${{ job.services.mysql.ports['3306'] }}
diff --git a/database/migrations/2021_05_22_053359_create_quizzes_table.php b/database/migrations/2021_05_22_053359_create_quizzes_table.php
index 1271ef6..75d1a6c 100644
--- a/database/migrations/2021_05_22_053359_create_quizzes_table.php
+++ b/database/migrations/2021_05_22_053359_create_quizzes_table.php
@@ -102,7 +102,6 @@ public function up()
             $table->unsignedInteger('order')->default(0);
             $table->timestamps();
             $table->softDeletes();
-            $table->unique(['quiz_id', 'question_id']);
         });
 
         // Quiz Attempts Table
diff --git a/database/migrations/2022_08_15_033405_remove_unq_constraint_from_quiz_questions_table.php b/database/migrations/2022_08_15_033405_remove_unq_constraint_from_quiz_questions_table.php
new file mode 100644
index 0000000..1cdd595
--- /dev/null
+++ b/database/migrations/2022_08_15_033405_remove_unq_constraint_from_quiz_questions_table.php
@@ -0,0 +1,45 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public array $tableNames;
+    public function __construct()
+    {
+        $this->tableNames = config('laravel-quiz.table_names');
+    }
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table($this->tableNames['quiz_questions'], function (Blueprint $table) {
+            $sm = Schema::getConnection()->getDoctrineSchemaManager();
+            $indexesFound = $sm->listTableIndexes($this->tableNames['quiz_questions']);
+            if (array_key_exists($this->tableNames['quiz_questions'] . "_quiz_id_question_id_unique", $indexesFound)) {
+                $table->dropForeign($this->tableNames['quiz_questions'] . '_question_id_foreign');
+                $table->dropForeign($this->tableNames['quiz_questions'] . '_quiz_id_foreign');
+                $table->dropUnique($this->tableNames['quiz_questions'] . "_quiz_id_question_id_unique");
+                $table->foreignId('quiz_id')->change()->constrained($this->tableNames['quizzes'])->cascadeOnDelete();
+                $table->foreignId('question_id')->change()->constrained($this->tableNames['questions'])->cascadeOnDelete();
+            }
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('quiz_questions', function (Blueprint $table) {
+            //
+        });
+    }
+};