diff --git a/.travis.yml b/.travis.yml
index c187e91..42a3b45 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,63 +23,67 @@ env:
 matrix:
   fast_finish: true
   include:
-    - php: '7.1'
-    - php: '7.2'
     - php: '7.3'
     - php: '7.4'
+    - php: '8.0'
 
     # Enable code coverage with the previous supported PHP version
-    - php: '7.3'
+    - php: '7.4'
       env:
         - SYMFONY_VERSION=3.4.*
         - COVERALLS_ENABLED="true"
         - PHPUNIT_FLAGS="-v --coverage-text --coverage-clover var/build/clover.xml"
 
     # Enable code coverage with the latest supported PHP version
-    - php: '7.4'
+    - php: '8.0'
       env:
         - SYMFONY_VERSION=3.4.*
         - COVERALLS_ENABLED="true"
         - PHPUNIT_FLAGS="-v --coverage-text --coverage-clover var/build/clover.xml"
 
     # Minimum supported dependencies with the latest and oldest supported PHP versions
-    - php: '7.1'
-      env:
-        - COMPOSER_FLAGS="--prefer-lowest"
     - php: '7.3'
       env:
         - COMPOSER_FLAGS="--prefer-lowest"
+    # Incompatibility between lowest symfony testing utils and phpunit
+#    - php: '8.0'
+#      env:
+#        - COMPOSER_FLAGS="--prefer-lowest"
 
     # Test each supported Symfony version with lowest supported PHP version
-    - php: '7.1'
+    - php: '7.3'
       env:
         - SYMFONY_VERSION=3.4.*
-    - php: '7.1'
-      env:
-        - SYMFONY_VERSION=4.3.*
-    - php: '7.1'
+    - php: '7.3'
       env:
         - SYMFONY_VERSION=4.4.*
-    - php: '7.2'
+    - php: '7.3'
       env:
         - COVERALLS_ENABLED="true"
         - PHPUNIT_FLAGS="-v --coverage-text --coverage-clover var/build/clover.xml"
-        - SYMFONY_VERSION=5.0.*
-
+        - SYMFONY_VERSION=5.2.*
     # Test unsupported versions of Symfony
-    - php: '7.1'
+    - php: '7.3'
       env:
         - SYMFONY_VERSION=4.1.*
-    - php: '7.1'
+    - php: '7.3'
       env:
         - SYMFONY_VERSION=4.2.*
-
+    - php: '7.3'
+      env:
+        - SYMFONY_VERSION=4.3.*
+    - php: '7.3'
+      env:
+        - SYMFONY_VERSION=5.0.*
+    - php: '7.3'
+      env:
+        - SYMFONY_VERSION=5.1.*
 
     # Test upcoming Symfony versions with lowest supported PHP version and dev dependencies
-    - php: '7.2'
-      env:
-        - STABILITY=dev
-        - SYMFONY_VERSION=5.1.*
+#    - php: '7.2'
+#      env:
+#        - STABILITY=dev
+#        - SYMFONY_VERSION=5.3.*
 
     # Test upcoming PHP versions with dev dependencies
     #- php: '7.5snapshot'
@@ -101,6 +105,9 @@ matrix:
     - env:
         - STABILITY=dev
         - SYMFONY_VERSION=5.1.*
+    - env:
+        - STABILITY=dev
+        - SYMFONY_VERSION=5.2.*
 
 before_install:
   - if [[ "$SYMFONY_VERSION" != "" ]]; then
@@ -114,11 +121,11 @@ before_install:
       phpenv config-rm xdebug.ini || true;
     fi
   - if [[ "$COVERALLS_ENABLED" == "true" ]]; then
-      travis_retry composer require --dev satooshi/php-coveralls:^2.0 --no-update $COMPOSER_FLAGS;
+      travis_retry composer require --dev php-coveralls/php-coveralls:^2.0 --no-update $COMPOSER_FLAGS;
     fi
 
 install:
-  - travis_retry composer update --prefer-dist --no-interaction --no-suggest --no-progress --ansi $COMPOSER_FLAGS
+  - travis_retry composer update --prefer-dist --no-interaction --no-progress --ansi $COMPOSER_FLAGS
 
 script: ./vendor/bin/phpunit $PHPUNIT_FLAGS
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a30173..70534ad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# Version 3.0.0
+
+* Added PHP 8 support
+* PHP minimum requirements bumped to 7.3
+* Added Doctrine DBAL 3 support
+* Doctrine DBAL minimum requirements bumped to 2.12
+
 # Version 2.2.0
 
 * Improve logging Dataflow job
diff --git a/composer.json b/composer.json
index ead9141..6871a38 100644
--- a/composer.json
+++ b/composer.json
@@ -41,9 +41,9 @@
         }
     },
     "require": {
-        "php": "^7.1",
+        "php": "^7.3||^8.0",
         "ext-json": "*",
-        "doctrine/dbal": "^2.0",
+        "doctrine/dbal": "^2.12||^3.0",
         "doctrine/doctrine-bundle": "^1.0||^2.0",
         "psr/log": "^1.1",
         "symfony/config": "^3.4||^4.0||^5.0",
diff --git a/src/Repository/JobRepository.php b/src/Repository/JobRepository.php
index 553c968..dfc20d7 100644
--- a/src/Repository/JobRepository.php
+++ b/src/Repository/JobRepository.php
@@ -7,6 +7,7 @@ namespace CodeRhapsodie\DataflowBundle\Repository;
 use CodeRhapsodie\DataflowBundle\Entity\Job;
 use CodeRhapsodie\DataflowBundle\Entity\ScheduledDataflow;
 use Doctrine\DBAL\Driver\Connection;
+use Doctrine\DBAL\ParameterType;
 use Doctrine\DBAL\Query\QueryBuilder;
 
 /**
@@ -21,15 +22,15 @@ class JobRepository
     public const TABLE_NAME = 'cr_dataflow_job';
 
     private const FIELDS_TYPE = [
-        'id' => \PDO::PARAM_INT,
-        'status' => \PDO::PARAM_INT,
-        'label' => \PDO::PARAM_STR,
-        'dataflow_type' => \PDO::PARAM_STR,
-        'options' => \PDO::PARAM_STR,
+        'id' => ParameterType::INTEGER,
+        'status' => ParameterType::INTEGER,
+        'label' => ParameterType::STRING,
+        'dataflow_type' => ParameterType::STRING,
+        'options' => ParameterType::STRING,
         'requested_date' => 'datetime',
-        'scheduled_dataflow_id' => \PDO::PARAM_INT,
-        'count' => \PDO::PARAM_INT,
-        'exceptions' => \PDO::PARAM_STR,
+        'scheduled_dataflow_id' => ParameterType::INTEGER,
+        'count' => ParameterType::INTEGER,
+        'exceptions' => ParameterType::STRING,
         'start_time' => 'datetime',
         'end_time' => 'datetime',
     ];
@@ -51,7 +52,7 @@ class JobRepository
     {
         $qb = $this->createQueryBuilder();
         $qb
-            ->andWhere($qb->expr()->eq('id', $qb->createNamedParameter($jobId, \PDO::PARAM_INT)))
+            ->andWhere($qb->expr()->eq('id', $qb->createNamedParameter($jobId, ParameterType::INTEGER)))
         ;
 
         return $this->returnFirstOrNull($qb);
@@ -62,12 +63,12 @@ class JobRepository
         $qb = $this->createQueryBuilder();
         $qb
             ->andWhere($qb->expr()->isNull('scheduled_dataflow_id'))
-            ->andWhere($qb->expr()->eq('status', $qb->createNamedParameter(Job::STATUS_PENDING, \PDO::PARAM_INT)));
+            ->andWhere($qb->expr()->eq('status', $qb->createNamedParameter(Job::STATUS_PENDING, ParameterType::INTEGER)));
         $stmt = $qb->execute();
         if (0 === $stmt->rowCount()) {
             return [];
         }
-        while (false !== ($row = $stmt->fetch(\PDO::FETCH_ASSOC))) {
+        while (false !== ($row = $stmt->fetchAssociative())) {
             yield Job::createFromArray($this->initDateTime($this->initArray($row)));
         }
     }
@@ -76,8 +77,8 @@ class JobRepository
     {
         $qb = $this->createQueryBuilder();
         $qb
-            ->andWhere($qb->expr()->eq('scheduled_dataflow_id', $qb->createNamedParameter($scheduled->getId(), \PDO::PARAM_INT)))
-            ->andWhere($qb->expr()->eq('status', $qb->createNamedParameter(Job::STATUS_PENDING, \PDO::PARAM_INT)));
+            ->andWhere($qb->expr()->eq('scheduled_dataflow_id', $qb->createNamedParameter($scheduled->getId(), ParameterType::INTEGER)))
+            ->andWhere($qb->expr()->eq('status', $qb->createNamedParameter(Job::STATUS_PENDING, ParameterType::INTEGER)));
 
         return $this->returnFirstOrNull($qb);
     }
@@ -86,7 +87,7 @@ class JobRepository
     {
         $qb = $this->createQueryBuilder();
         $qb->andWhere($qb->expr()->lte('requested_date', $qb->createNamedParameter(new \DateTime(), 'datetime')))
-            ->andWhere($qb->expr()->eq('status', $qb->createNamedParameter(Job::STATUS_PENDING, \PDO::PARAM_INT)))
+            ->andWhere($qb->expr()->eq('status', $qb->createNamedParameter(Job::STATUS_PENDING, ParameterType::INTEGER)))
             ->orderBy('requested_date', 'ASC')
             ->setMaxResults(1)
         ;
@@ -97,7 +98,7 @@ class JobRepository
     public function findLastForDataflowId(int $dataflowId): ?Job
     {
         $qb = $this->createQueryBuilder();
-        $qb->andWhere($qb->expr()->eq('scheduled_dataflow_id', $qb->createNamedParameter($dataflowId, \PDO::PARAM_INT)))
+        $qb->andWhere($qb->expr()->eq('scheduled_dataflow_id', $qb->createNamedParameter($dataflowId, ParameterType::INTEGER)))
             ->orderBy('requested_date', 'DESC')
             ->setMaxResults(1)
         ;
@@ -115,7 +116,7 @@ class JobRepository
         if (0 === $stmt->rowCount()) {
             return [];
         }
-        while (false !== ($row = $stmt->fetch(\PDO::FETCH_ASSOC))) {
+        while (false !== ($row = $stmt->fetchAssociative())) {
             yield Job::createFromArray($row);
         }
     }
@@ -123,14 +124,14 @@ class JobRepository
     public function findForScheduled(int $id): iterable
     {
         $qb = $this->createQueryBuilder();
-        $qb->andWhere($qb->expr()->eq('scheduled_dataflow_id', $qb->createNamedParameter($id, \PDO::PARAM_INT)))
+        $qb->andWhere($qb->expr()->eq('scheduled_dataflow_id', $qb->createNamedParameter($id, ParameterType::INTEGER)))
             ->orderBy('requested_date', 'DESC')
             ->setMaxResults(20);
         $stmt = $qb->execute();
         if (0 === $stmt->rowCount()) {
             return [];
         }
-        while (false !== ($row = $stmt->fetch(\PDO::FETCH_ASSOC))) {
+        while (false !== ($row = $stmt->fetchAssociative())) {
             yield Job::createFromArray($row);
         }
     }
@@ -172,6 +173,6 @@ class JobRepository
             return null;
         }
 
-        return Job::createFromArray($this->initDateTime($this->initArray($stmt->fetch(\PDO::FETCH_ASSOC))));
+        return Job::createFromArray($this->initDateTime($this->initArray($stmt->fetchAssociative())));
     }
 }
diff --git a/src/Repository/ScheduledDataflowRepository.php b/src/Repository/ScheduledDataflowRepository.php
index 56a6ab2..49f3f21 100644
--- a/src/Repository/ScheduledDataflowRepository.php
+++ b/src/Repository/ScheduledDataflowRepository.php
@@ -6,6 +6,7 @@ namespace CodeRhapsodie\DataflowBundle\Repository;
 
 use CodeRhapsodie\DataflowBundle\Entity\ScheduledDataflow;
 use Doctrine\DBAL\Driver\Connection;
+use Doctrine\DBAL\ParameterType;
 use Doctrine\DBAL\Query\QueryBuilder;
 
 /**
@@ -20,13 +21,13 @@ class ScheduledDataflowRepository
     public const TABLE_NAME = 'cr_dataflow_scheduled';
 
     private const FIELDS_TYPE = [
-        'id' => \PDO::PARAM_INT,
-        'label' => \PDO::PARAM_STR,
-        'dataflow_type' => \PDO::PARAM_STR,
-        'options' => \PDO::PARAM_STR,
-        'frequency' => \PDO::PARAM_STR,
+        'id' => ParameterType::INTEGER,
+        'label' => ParameterType::STRING,
+        'dataflow_type' => ParameterType::STRING,
+        'options' => ParameterType::STRING,
+        'frequency' => ParameterType::STRING,
         'next' => 'datetime',
-        'enabled' => \PDO::PARAM_BOOL,
+        'enabled' => ParameterType::BOOLEAN,
     ];
     /**
      * @var \Doctrine\DBAL\Connection
@@ -58,7 +59,7 @@ class ScheduledDataflowRepository
         if (0 === $stmt->rowCount()) {
             return [];
         }
-        while (false !== ($row = $stmt->fetch(\PDO::FETCH_ASSOC))) {
+        while (false !== ($row = $stmt->fetchAssociative())) {
             yield ScheduledDataflow::createFromArray($this->initDateTime($this->initArray($row)));
         }
     }
@@ -66,7 +67,7 @@ class ScheduledDataflowRepository
     public function find(int $scheduleId): ?ScheduledDataflow
     {
         $qb = $this->createQueryBuilder();
-        $qb->andWhere($qb->expr()->eq('id', $qb->createNamedParameter($scheduleId, \PDO::PARAM_INT)))
+        $qb->andWhere($qb->expr()->eq('id', $qb->createNamedParameter($scheduleId, ParameterType::INTEGER)))
             ->setMaxResults(1)
         ;
 
@@ -82,7 +83,7 @@ class ScheduledDataflowRepository
         if (0 === $stmt->rowCount()) {
             return [];
         }
-        while (false !== ($row = $stmt->fetch(\PDO::FETCH_ASSOC))) {
+        while (false !== ($row = $stmt->fetchAssociative())) {
             yield ScheduledDataflow::createFromArray($this->initDateTime($this->initOptions($row)));
         }
     }
@@ -96,7 +97,7 @@ class ScheduledDataflowRepository
             ->orderBy('w.label', 'ASC')
             ->groupBy('w.id');
 
-        return $query->execute()->fetchAll(\PDO::FETCH_ASSOC);
+        return $query->execute()->fetchAllAssociative();
     }
 
     public function save(ScheduledDataflow $scheduledDataflow)
@@ -147,6 +148,6 @@ class ScheduledDataflowRepository
             return null;
         }
 
-        return ScheduledDataflow::createFromArray($this->initDateTime($this->initArray($stmt->fetch(\PDO::FETCH_ASSOC))));
+        return ScheduledDataflow::createFromArray($this->initDateTime($this->initArray($stmt->fetchAssociative())));
     }
 }