diff --git a/.github/workflows/analyse.yml b/.github/workflows/analyse.yml
index a260cc5..005313d 100644
--- a/.github/workflows/analyse.yml
+++ b/.github/workflows/analyse.yml
@@ -17,7 +17,7 @@ jobs:
         dependencies:
           - "locked"
         laravel:
-          - "8.x"
+          - "9.x"
         experimental:
           - false
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 67b1e40..c46aa2c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,13 +16,102 @@ jobs:
           - "ubuntu-latest"
           - "windows-latest"
         php:
-          - "7.3"
-          - "7.4"
           - "8.0"
         dependencies:
           - "locked"
           - "highest"
           - "lowest"
+        laravel:
+          - "8.x"
+          - "9.x"
+        experimental:
+          - false
+
+    name: Laravel ${{ matrix.laravel }} on PHP${{ matrix.php }}-${{ matrix.os }} (${{ matrix.dependencies }})
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v1
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: dom, curl, libxml, mbstring, zip, pcntl, sqlite3, pdo_sqlite, bcmath, fileinfo
+          coverage: none
+
+      - name: Install Laravel Framework ${{ matrix.laravel }}
+        run: |
+          composer require "laravel/framework:${{ matrix.laravel }}" --no-interaction --no-update
+
+      - name: Install dependencies
+        uses: "ramsey/composer-install@v1"
+        with:
+          dependency-versions: "${{ matrix.dependencies }}"
+          composer-options: "--prefer-dist"
+
+      - name: Execute tests
+        run: vendor/bin/phpunit
+
+  tests-on-php-74:
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.experimental }}
+    strategy:
+      matrix:
+        os:
+          - "ubuntu-latest"
+          - "windows-latest"
+        php:
+          - "7.4"
+        dependencies:
+          - "locked"
+          - "highest"
+          - "lowest"
+        laravel:
+          - "8.x"
+        experimental:
+          - false
+
+    name: Laravel ${{ matrix.laravel }} on PHP${{ matrix.php }}-${{ matrix.os }} (${{ matrix.dependencies }})
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v1
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: dom, curl, libxml, mbstring, zip, pcntl, sqlite3, pdo_sqlite, bcmath, fileinfo
+          coverage: none
+
+      - name: Install Laravel Framework ${{ matrix.laravel }}
+        run: |
+          composer require "laravel/framework:${{ matrix.laravel }}" --no-interaction --no-update
+
+      - name: Install dependencies
+        uses: "ramsey/composer-install@v1"
+        with:
+          dependency-versions: "${{ matrix.dependencies }}"
+          composer-options: "--prefer-dist --no-cache"
+
+      - name: Execute tests
+        run: vendor/bin/phpunit
+
+  tests-on-php-73:
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.experimental }}
+    strategy:
+      matrix:
+        os:
+          - "ubuntu-latest"
+          - "windows-latest"
+        php:
+          - "7.3"
+        dependencies:
+          - "locked"
+          - "highest"
+          - "lowest"
         laravel:
           - "8.x"
         experimental:
diff --git a/composer.json b/composer.json
index fe616c4..e5a7612 100644
--- a/composer.json
+++ b/composer.json
@@ -24,13 +24,13 @@
     },
     "require": {
         "php": "^7.3 || ^8.0",
-        "illuminate/database": "^8.67",
-        "illuminate/support": "^8.67"
+        "illuminate/database": "^8.67 || ^9.0",
+        "illuminate/support": "^8.67 || ^9.0"
     },
     "require-dev": {
         "nunomaduro/larastan": "^1.0.1",
-        "orchestra/canvas": "^6.7",
-        "orchestra/testbench": "^6.22"
+        "orchestra/canvas": "^6.7 || ^7.0",
+        "orchestra/testbench": "^6.22 || ^7.0"
     },
     "config": {
         "sort-packages": true
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index c4015c1..975b47e 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -13,6 +13,7 @@ parameters:
   ignoreErrors:
     - '#Unsafe usage of new static#'
     - '#Call to an undefined method Illuminate\\Database\\ConnectionInterface::getDriverName\(\)#'
+    - '#Call to an undefined method Illuminate\\Contracts\\Database\\Query\\Builder::(unless|when)\(\)#'
 
   checkMissingIterableValueType: false
   noUnnecessaryCollectionCall: false
diff --git a/src/Contracts/Filter/Filter.php b/src/Contracts/Filter/Filter.php
index 0b0d1c6..f400076 100644
--- a/src/Contracts/Filter/Filter.php
+++ b/src/Contracts/Filter/Filter.php
@@ -10,9 +10,9 @@ interface Filter
     /**
      * Apply search queries.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+     * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
      *
-     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
+     * @return \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
      */
     public function apply($query, array $keywords, string $likeOperator, string $whereOperator);
 }
diff --git a/src/Filters/FieldSearch.php b/src/Filters/FieldSearch.php
index 40b927a..4eab02f 100644
--- a/src/Filters/FieldSearch.php
+++ b/src/Filters/FieldSearch.php
@@ -27,9 +27,9 @@ public function __construct($column)
     /**
      * Apply generic field search queries.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+     * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
      *
-     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
+     * @return \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
      */
     public function apply($query, array $keywords, string $likeOperator, string $whereOperator)
     {
diff --git a/src/Filters/JsonFieldSearch.php b/src/Filters/JsonFieldSearch.php
index 79da582..04fd738 100644
--- a/src/Filters/JsonFieldSearch.php
+++ b/src/Filters/JsonFieldSearch.php
@@ -27,9 +27,9 @@ public function __construct($path)
     /**
      * Apply JSON field search queries.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+     * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
      *
-     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
+     * @return \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
      */
     public function apply($query, array $keywords, string $likeOperator, string $whereOperator)
     {
diff --git a/src/Orderable.php b/src/Orderable.php
index 03cf1ff..f127f57 100644
--- a/src/Orderable.php
+++ b/src/Orderable.php
@@ -43,9 +43,9 @@ public function __construct(?string $column, string $direction = 'asc', array $c
     /**
      * Apply ordered to query.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+     * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
      *
-     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
+     * @return \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
      */
     public function apply($query)
     {
diff --git a/src/Searchable.php b/src/Searchable.php
index 5c8282e..492fce0 100644
--- a/src/Searchable.php
+++ b/src/Searchable.php
@@ -46,9 +46,9 @@ public function searchKeyword(): Keyword
     /**
      * Apply search to query.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+     * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
      *
-     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
+     * @return \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
      */
     public function apply($query)
     {
@@ -91,9 +91,9 @@ public function apply($query)
     /**
      * Build wildcard query filter for field using where or orWhere.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+     * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
      *
-     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
+     * @return \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
      */
     protected function queryOnColumn(
         $query,
@@ -113,9 +113,9 @@ protected function queryOnColumn(
     /**
      * Build wildcard query filter for column using where or orWhere.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+     * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
      *
-     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
+     * @return \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
      */
     protected function queryOnColumnUsing(
         $query,
@@ -149,9 +149,9 @@ protected function queryOnColumnUsing(
     /**
      * Build wildcard query filter for JSON column using where or orWhere.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+     * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
      *
-     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
+     * @return \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
      */
     protected function queryOnJsonColumnUsing(
         $query,
diff --git a/src/Taxonomy.php b/src/Taxonomy.php
index 946d757..e1cb12d 100644
--- a/src/Taxonomy.php
+++ b/src/Taxonomy.php
@@ -45,9 +45,9 @@ public function __construct(?string $terms, array $rules = [], array $fields = [
     /**
      * Apply search to query.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+     * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
      *
-     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
+     * @return \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
      */
     public function apply($query)
     {
@@ -60,7 +60,7 @@ public function apply($query)
     /**
      * Match basic conditions.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+     * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
      */
     protected function matchBasicConditions($query): void
     {
@@ -80,7 +80,7 @@ protected function matchBasicConditions($query): void
     /**
      * Match tagged conditions.
      *
-     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+     * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
      */
     protected function matchTaggedConditions($query): void
     {
diff --git a/src/helpers.php b/src/helpers.php
index c213140..6287c75 100644
--- a/src/helpers.php
+++ b/src/helpers.php
@@ -7,7 +7,7 @@
 /**
  * Get connection type from Query Builder.
  *
- * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
+ * @param  \Illuminate\Contracts\Database\Query\Builder|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder  $query
  */
 function connection_type($query): string
 {