diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 57786979..69107972 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,6 +46,7 @@ jobs:
           - { php: '8.1', packages: 'aws/aws-sdk-php:^3.158', phpspec: 'spec/Gaufrette/Adapter/AwsS3Spec.php' }
           - { php: '8.1', packages: 'google/apiclient:^2.12', phpspec: 'spec/Gaufrette/Adapter/GoogleCloudStorageSpec.php' }
           - { php: '8.1', packages: 'doctrine/dbal:^2.3', phpspec: 'spec/Gaufrette/Adapter/DoctrineDbalSpec.php' }
+          - { php: '8.1', packages: 'doctrine/dbal:^3.4', phpspec: 'spec/Gaufrette/Adapter/DoctrineDbalSpec.php' }
           - { php: '8.1', packages: 'league/flysystem:^1.0', phpspec: 'spec/Gaufrette/Adapter/FlysystemSpec.php' }
           - { php: '8.1', packages: 'microsoft/azure-storage-blob:^1.0', phpspec: 'spec/Gaufrette/Adapter/AzureBlobStore' }
           - { php: '8.1', packages: 'mongodb/mongodb:^1.1', phpspec: 'spec/Gaufrette/Adapter/GridFSSpec.php' }
diff --git a/Makefile b/Makefile
index fc29c04e..b4942d83 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ docker.all-deps: docker.deps ## Install dependencies
 	docker/run-task php${PHP_VERSION} composer require --no-update \
 		aws/aws-sdk-php:^3.158 \
 		google/apiclient:^2.12 \
-		doctrine/dbal:^2.3 \
+		doctrine/dbal:^3.4 \
 		league/flysystem:^1.0 \
 		microsoft/azure-storage-blob:^1.0 \
 		phpseclib/phpseclib:^2.0 \
@@ -67,7 +67,7 @@ require-all-legacy: # kept for compatibility with the old CI config, to be remov
 	composer require --no-update \
 		aws/aws-sdk-php:^3.158 \
 		google/apiclient:^2.12 \
-		doctrine/dbal:^2.3 \
+		doctrine/dbal:^3.4 \
 		league/flysystem:^1.0 \
 		microsoft/azure-storage-blob:^1.0 \
 		phpseclib/phpseclib:^2.0 \
diff --git a/src/Gaufrette/Adapter/DoctrineDbal.php b/src/Gaufrette/Adapter/DoctrineDbal.php
index 337b1de6..1d725e3f 100644
--- a/src/Gaufrette/Adapter/DoctrineDbal.php
+++ b/src/Gaufrette/Adapter/DoctrineDbal.php
@@ -88,7 +88,12 @@ public function checksum($key)
      */
     public function exists($key)
     {
-        return (boolean) $this->connection->fetchColumn(
+        $method = 'fetchOne'; // dbal 3.x
+        if (!method_exists($this->connection, $method)) {
+            $method = 'fetchColumn'; // dbal 2.x
+        }
+
+        return (boolean) $this->connection->$method(
             sprintf(
                 'SELECT COUNT(%s) FROM %s WHERE %s = :key',
                 $this->getQuotedColumn('key'),
@@ -153,7 +158,12 @@ public function isDirectory($key)
 
     private function getColumnValue($key, $column)
     {
-        $value = $this->connection->fetchColumn(
+        $method = 'fetchOne'; // dbal 3.x
+        if (!method_exists($this->connection, $method)) {
+            $method = 'fetchColumn'; // dbal 2.x
+        }
+
+        $value = $this->connection->$method(
             sprintf(
                 'SELECT %s FROM %s WHERE %s = :key',
                 $this->getQuotedColumn($column),
@@ -173,7 +183,12 @@ public function listKeys($prefix = '')
     {
         $prefix = trim($prefix);
 
-        $keys = $this->connection->fetchAll(
+        $method = 'fetchAllAssociative'; // dbal 3.x
+        if (!method_exists($this->connection, 'fetchAllAssociative')) {
+            $method = 'fetchAll'; // dbal 2.x
+        }
+
+        $keys = $this->connection->$method(
             sprintf(
                 'SELECT %s AS _key FROM %s WHERE %s LIKE :pattern',
                 $this->getQuotedColumn('key'),
diff --git a/tests/Gaufrette/Functional/Adapter/DoctrineDbalTest.php b/tests/Gaufrette/Functional/Adapter/DoctrineDbalTest.php
index df53f63c..d2ebf64a 100644
--- a/tests/Gaufrette/Functional/Adapter/DoctrineDbalTest.php
+++ b/tests/Gaufrette/Functional/Adapter/DoctrineDbalTest.php
@@ -29,7 +29,14 @@ protected function setUp(): void
         $schema = $this->connection->getSchemaManager()->createSchema();
 
         $table = $schema->createTable('gaufrette');
-        $table->addColumn('key', 'string', ['unique' => true]);
+        $column = $table->addColumn('key', 'string');
+        if (method_exists($column, 'setPlatformOption')) {
+            // dbal 3.4+
+            $column->setPlatformOption('unique', true);
+        } else {
+            // dbal 2.x
+            $column->setUnique(true);
+        }
         $table->addColumn('content', 'blob');
         $table->addColumn('mtime', 'integer');
         $table->addColumn('checksum', 'string', ['length' => 32]);