diff --git a/CHANGELOG.md b/CHANGELOG.md
index a6bf46c..6e8d098 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@
 * test: update fixtures to include enum in sort field
 * chore: various demo polishing
 * chore: rector clean up
+* deps: DBAL 4.0 compatibility
 
 # 0.16.1
 
diff --git a/composer.json b/composer.json
index e802cb6..20e1f32 100644
--- a/composer.json
+++ b/composer.json
@@ -1,41 +1,20 @@
 {
     "name": "rekalogika/rekapager",
-    "homepage": "https://rekalogika.dev/rekapager",
+    "description": "Pagination library for PHP, supporting both offset-based and keyset-based pagination.",
     "license": "MIT",
     "type": "library",
-    "description": "Pagination library for PHP, supporting both offset-based and keyset-based pagination.",
     "authors": [
         {
             "name": "Priyadi Iman Nurcahyo",
             "email": "priyadi@rekalogika.com"
         }
     ],
-    "autoload": {
-        "psr-4": {
-            "Rekalogika\\Contracts\\Rekapager\\": "packages/rekapager-contracts/src/",
-            "Rekalogika\\Rekapager\\": "packages/rekapager-core/src/",
-            "Rekalogika\\Rekapager\\Adapter\\Common\\": "packages/rekapager-adapter-common/src/",
-            "Rekalogika\\Rekapager\\ApiPlatform\\": "packages/rekapager-api-platform/src/",
-            "Rekalogika\\Rekapager\\Bundle\\": "packages/rekapager-bundle/src/",
-            "Rekalogika\\Rekapager\\Doctrine\\Collections\\": "packages/rekapager-doctrine-collections-adapter/src/",
-            "Rekalogika\\Rekapager\\Doctrine\\DBAL\\": "packages/rekapager-doctrine-dbal-adapter/src/",
-            "Rekalogika\\Rekapager\\Doctrine\\ORM\\": "packages/rekapager-doctrine-orm-adapter/src/",
-            "Rekalogika\\Rekapager\\Keyset\\": "packages/rekapager-keyset-pagination/src/",
-            "Rekalogika\\Rekapager\\Offset\\": "packages/rekapager-offset-pagination/src/",
-            "Rekalogika\\Rekapager\\Pagerfanta\\": "packages/rekapager-pagerfanta-adapter/src/",
-            "Rekalogika\\Rekapager\\Symfony\\": "packages/rekapager-symfony-bridge/src/"
-        }
-    },
-    "autoload-dev": {
-        "psr-4": {
-            "Rekalogika\\Rekapager\\Tests\\": "tests/src/"
-        }
-    },
+    "homepage": "https://rekalogika.dev/rekapager",
     "require": {
         "php": "^8.2",
         "api-platform/core": "^3.2",
         "doctrine/collections": "^2.2",
-        "doctrine/dbal": "^3.8",
+        "doctrine/dbal": "^3.8 || ^4.0",
         "doctrine/orm": "^2.19 || ^3.0",
         "pagerfanta/core": "^4.0",
         "pagerfanta/doctrine-collections-adapter": "^4.0",
@@ -90,13 +69,6 @@
         "vimeo/psalm": "^5.15",
         "zenstruck/foundry": "1.37.*"
     },
-    "config": {
-        "sort-packages": true,
-        "allow-plugins": {
-            "symfony/runtime": true,
-            "symfony/flex": false
-        }
-    },
     "replace": {
         "rekalogika/rekapager-adapter-common": "0.16.1",
         "rekalogika/rekapager-api-platform": "0.16.1",
@@ -110,5 +82,33 @@
         "rekalogika/rekapager-offset-pagination": "0.16.1",
         "rekalogika/rekapager-pagerfanta-adapter": "0.16.1",
         "rekalogika/rekapager-symfony-bridge": "0.16.1"
+    },
+    "autoload": {
+        "psr-4": {
+            "Rekalogika\\Contracts\\Rekapager\\": "packages/rekapager-contracts/src/",
+            "Rekalogika\\Rekapager\\": "packages/rekapager-core/src/",
+            "Rekalogika\\Rekapager\\Adapter\\Common\\": "packages/rekapager-adapter-common/src/",
+            "Rekalogika\\Rekapager\\ApiPlatform\\": "packages/rekapager-api-platform/src/",
+            "Rekalogika\\Rekapager\\Bundle\\": "packages/rekapager-bundle/src/",
+            "Rekalogika\\Rekapager\\Doctrine\\Collections\\": "packages/rekapager-doctrine-collections-adapter/src/",
+            "Rekalogika\\Rekapager\\Doctrine\\DBAL\\": "packages/rekapager-doctrine-dbal-adapter/src/",
+            "Rekalogika\\Rekapager\\Doctrine\\ORM\\": "packages/rekapager-doctrine-orm-adapter/src/",
+            "Rekalogika\\Rekapager\\Keyset\\": "packages/rekapager-keyset-pagination/src/",
+            "Rekalogika\\Rekapager\\Offset\\": "packages/rekapager-offset-pagination/src/",
+            "Rekalogika\\Rekapager\\Pagerfanta\\": "packages/rekapager-pagerfanta-adapter/src/",
+            "Rekalogika\\Rekapager\\Symfony\\": "packages/rekapager-symfony-bridge/src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Rekalogika\\Rekapager\\Tests\\": "tests/src/"
+        }
+    },
+    "config": {
+        "sort-packages": true,
+        "allow-plugins": {
+            "symfony/runtime": true,
+            "symfony/flex": false
+        }
     }
 }
diff --git a/packages/rekapager-doctrine-dbal-adapter/composer.json b/packages/rekapager-doctrine-dbal-adapter/composer.json
index aef0357..4f419ff 100644
--- a/packages/rekapager-doctrine-dbal-adapter/composer.json
+++ b/packages/rekapager-doctrine-dbal-adapter/composer.json
@@ -28,7 +28,7 @@
     },
     "require": {
         "php": "^8.2",
-        "doctrine/dbal": "^3.8",
+        "doctrine/dbal": "^3.8 || ^4.0",
         "doctrine/collections": "^2.2",
         "rekalogika/rekapager-adapter-common": "^0.16.1",
         "rekalogika/rekapager-keyset-pagination": "^0.16.1",
diff --git a/packages/rekapager-doctrine-dbal-adapter/src/Internal/QueryParameter.php b/packages/rekapager-doctrine-dbal-adapter/src/Internal/QueryParameter.php
index 3d1c40d..d3847e4 100644
--- a/packages/rekapager-doctrine-dbal-adapter/src/Internal/QueryParameter.php
+++ b/packages/rekapager-doctrine-dbal-adapter/src/Internal/QueryParameter.php
@@ -13,6 +13,8 @@
 
 namespace Rekalogika\Rekapager\Doctrine\DBAL\Internal;
 
+use Doctrine\DBAL\ArrayParameterType;
+use Doctrine\DBAL\ParameterType;
 use Doctrine\DBAL\Types\Type;
 
 /**
@@ -22,7 +24,7 @@
 {
     public function __construct(
         private mixed $value,
-        private int|string|Type|null $type = null
+        private string|ParameterType|Type|ArrayParameterType $type = ParameterType::STRING
     ) {
     }
 
@@ -31,7 +33,7 @@ public function getValue(): mixed
         return $this->value;
     }
 
-    public function getType(): int|string|Type|null
+    public function getType(): string|ParameterType|Type|ArrayParameterType
     {
         return $this->type;
     }
diff --git a/packages/rekapager-doctrine-dbal-adapter/src/QueryBuilderAdapter.php b/packages/rekapager-doctrine-dbal-adapter/src/QueryBuilderAdapter.php
index 5c97217..09cba7e 100644
--- a/packages/rekapager-doctrine-dbal-adapter/src/QueryBuilderAdapter.php
+++ b/packages/rekapager-doctrine-dbal-adapter/src/QueryBuilderAdapter.php
@@ -79,7 +79,7 @@ private function getQueryBuilder(
 
         /** @var mixed $value */
         foreach ($boundaryValues ?? [] as $property => $value) {
-            $newBoundaryValues[$property] = new QueryParameter($value, null);
+            $newBoundaryValues[$property] = new QueryParameter($value);
         }
 
         $boundaryValues = $newBoundaryValues;
@@ -408,7 +408,7 @@ private function doCount(
          * @psalm-suppress RedundantCondition
          * @phpstan-ignore-next-line
          */
-        if (\is_callable($queryBuilder->resetQueryPart(...))) {
+        if (\is_callable([$queryBuilder, 'resetQueryPart'])) {
             return $this->doCountWithSubquery($queryBuilder);
         }
 
@@ -442,12 +442,15 @@ private function doCountWithSubquery(QueryBuilder $queryBuilder): int
         $queryBuilder = (clone $queryBuilder);
         $sql = $queryBuilder->getSQL();
 
+        if (\is_callable([$queryBuilder, 'resetQueryPart'])) {
+            $queryBuilder->resetQueryPart('from');
+        }
+
         /**
          * @psalm-suppress DeprecatedMethod
          * @phpstan-ignore-next-line
          */
         $queryBuilder
-            ->resetQueryPart('from')
             ->resetGroupBy()
             ->resetHaving()
             ->resetOrderBy()
diff --git a/packages/rekapager-doctrine-orm-adapter/composer.json b/packages/rekapager-doctrine-orm-adapter/composer.json
index 7ea0ab2..7a5d66a 100644
--- a/packages/rekapager-doctrine-orm-adapter/composer.json
+++ b/packages/rekapager-doctrine-orm-adapter/composer.json
@@ -28,7 +28,7 @@
     },
     "require": {
         "php": "^8.2",
-        "doctrine/dbal": "^3.8",
+        "doctrine/dbal": "^3.8 || ^4.0",
         "doctrine/orm": "^2.19 || ^3.0",
         "doctrine/collections": "^2.2",
         "rekalogika/rekapager-adapter-common": "^0.16.1",