diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3991ffa..8d8c1c8 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -5,6 +5,7 @@ on:
     branches:
       - master
   pull_request:
+  workflow_dispatch:
 
 jobs:
   tests:
@@ -15,10 +16,14 @@ jobs:
       matrix:
         php: [7.2, 7.3, 7.4]
         laravel: [^6.0, ^7.0, ^8.0]
-        scout: [^7.0, ^8.0]
+        scout: [^7.0, ^8.0, ^9.0]
         exclude:
           - php: 7.2
             laravel: ^8.0
+          - laravel: ^6.0
+            scout: ^9.0
+          - laravel: ^7.0
+            scout: ^9.0
           - laravel: ^8.0
             scout: ^7.0
         include:
@@ -49,4 +54,4 @@ jobs:
            composer update --prefer-dist --no-interaction --no-progress
 
       - name: Run tests
-        run: vendor/bin/phpunit --verbose
\ No newline at end of file
+        run: vendor/bin/phpunit --verbose
diff --git a/composer.json b/composer.json
index 305a86c..fdf56d5 100644
--- a/composer.json
+++ b/composer.json
@@ -24,10 +24,10 @@
     ],
     "require": {
         "php": "^7.2|^8.0",
-        "illuminate/contracts": "~6.0|~7.0|~8.0",
-        "illuminate/database": "~6.0|~7.0|~8.0",
-        "illuminate/support": "~6.0|~7.0|~8.0",
-        "laravel/scout": "~7.0|~8.0"
+        "illuminate/contracts": "~6.0|~7.0|~8.0|~9.0",
+        "illuminate/database": "~6.0|~7.0|~8.0|~9.0",
+        "illuminate/support": "~6.0|~7.0|~8.0|~9.0",
+        "laravel/scout": "~7.0|~8.0|~9.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^8.3",
diff --git a/src/PostgresEngine.php b/src/PostgresEngine.php
index b92b3e0..004f7f0 100644
--- a/src/PostgresEngine.php
+++ b/src/PostgresEngine.php
@@ -561,4 +561,24 @@ public function flush($model)
             ->table($model->searchableAs())
             ->update([$indexColumn => null]);
     }
+    
+    /**
+     * Map the given results to instances of the given model via a lazy collection.
+     *
+     * @param  \Laravel\Scout\Builder  $builder
+     * @param  mixed  $results
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @return \Illuminate\Support\LazyCollection
+     */
+    public function lazyMap(Builder $builder, $results, $model) {
+        if ($this->getTotalCount($results) === 0) {
+            return LazyCollection::empty();
+        }
+
+        return LazyCollection::make($results->all());
+    }
+
+    public function createIndex($name, array $options = []) {}
+
+    public function deleteIndex($name) {}    
 }