diff --git a/.travis.yml b/.travis.yml
index 15ea59f7..5d1112dd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,21 +9,26 @@ cache:
 matrix:
   fast_finish: true
   include:
-    - php: 7.1
-      env: DEPENDENCIES=beta
+    - php: 7.2
+      env: DEPENDENCIES=beta SYMFONY_REQUIRE="3.4.*"
+    - php: 7.2
+      env: DEPENDENCIES=beta SYMFONY_REQUIRE="4.3.*"
+    - php: 7.3
+      env: DEPENDENCIES=beta SYMFONY_REQUIRE="3.4.*"
+    - php: 7.3
+      env: DEPENDENCIES=beta SYMFONY_REQUIRE="4.3.*"
     - php: hhvm
   allow_failures:
     - php: hhvm
 
 env:
-  - SYMFONY_VERSION="3.0.*" DEPENDENCIES=dev COMPOSER_FLAGS="--prefer-stable"
+  - SYMFONY_REQUIRE="3.4.*" DEPENDENCIES=dev COMPOSER_FLAGS="--prefer-stable"
 
 before_install:
   - composer self-update
-  - if [ "$DEPENDENCIES" = "beta" ]; then composer config minimum-stability beta; fi;  
-  - if [ "$SYMFONY_VERSION" != "" ]; then composer require --dev --no-update symfony/framework-bundle=$SYMFONY_VERSION; fi
+  - composer global require --no-progress --no-scripts --no-plugins symfony/flex dev-master
+  - if [ "$DEPENDENCIES" = "beta" ]; then composer config minimum-stability beta; fi;
   - if [ "$DEPENDENCIES" = "dev" ]; then perl -pi -e 's/^}$/,"minimum-stability":"dev"}/' composer.json; fi;
-  - composer require --dev "phpunit/phpunit=5.7.*"
 
 install: composer update --prefer-dist --no-interaction $COMPOSER_FLAGS
 
diff --git a/Datatable/Filter/SelectFilter.php b/Datatable/Filter/SelectFilter.php
index ca76f067..d6d38031 100644
--- a/Datatable/Filter/SelectFilter.php
+++ b/Datatable/Filter/SelectFilter.php
@@ -171,7 +171,7 @@ public function setMultiple($multiple)
     /**
      * @throws Exception
      */
-    private function setSelectSearchType(string $searchValue)
+    private function setSelectSearchType(string $searchValue): void
     {
         $searchTypesCount = \count($this->selectSearchTypes);
 
diff --git a/Tests/Column/ArrayColumnTest.php b/Tests/Column/ArrayColumnTest.php
index 682797e0..9a7423f9 100644
--- a/Tests/Column/ArrayColumnTest.php
+++ b/Tests/Column/ArrayColumnTest.php
@@ -19,9 +19,6 @@
  */
 final class ArrayColumnTest extends \PHPUnit\Framework\TestCase
 {
-    /**
-     * testCreate.
-     */
     public function testIsAssociative()
     {
         $arrayColumn = new ArrayColumn();
@@ -29,9 +26,6 @@ public function testIsAssociative()
         static::assertTrue($this->callMethod($arrayColumn, 'isAssociative', [['a' => 1, 'b' => 1]]));
     }
 
-    /**
-     * testCreate.
-     */
     public function testArrayToString()
     {
         $arrayColumn = new ArrayColumn();
diff --git a/Tests/DatatableTest.php b/Tests/DatatableTest.php
index 5de5dda4..360134aa 100644
--- a/Tests/DatatableTest.php
+++ b/Tests/DatatableTest.php
@@ -25,9 +25,6 @@
  */
 final class DatatableTest extends \PHPUnit\Framework\TestCase
 {
-    /**
-     * testCreate.
-     */
     public function testCreate()
     {
         $tableClass = PostDatatable::class;
diff --git a/Tests/Datatables/PostDatatable.php b/Tests/Datatables/PostDatatable.php
index 8fa0483b..06462486 100644
--- a/Tests/Datatables/PostDatatable.php
+++ b/Tests/Datatables/PostDatatable.php
@@ -12,7 +12,14 @@
 namespace Sg\DatatablesBundle\Tests\Datatables;
 
 use Sg\DatatablesBundle\Datatable\AbstractDatatable;
+use Sg\DatatablesBundle\Datatable\Column\ActionColumn;
+use Sg\DatatablesBundle\Datatable\Column\AttributeColumn;
+use Sg\DatatablesBundle\Datatable\Column\BooleanColumn;
 use Sg\DatatablesBundle\Datatable\Column\Column;
+use Sg\DatatablesBundle\Datatable\Column\DateTimeColumn;
+use Sg\DatatablesBundle\Datatable\Column\ImageColumn;
+use Sg\DatatablesBundle\Datatable\Column\NumberColumn;
+use Sg\DatatablesBundle\Datatable\Column\VirtualColumn;
 
 class PostDatatable extends AbstractDatatable
 {
@@ -37,6 +44,32 @@ public function buildDatatable(array $options = [])
             ->add('title', Column::class, [
                 'title' => 'Title',
             ])
+            ->add('boolean', BooleanColumn::class, [
+                'title' => 'Boolean',
+            ])
+            ->add('attribute', AttributeColumn::class, [
+                'title' => 'Attribute',
+            ])
+            ->add('datetime', DateTimeColumn::class, [
+                'title' => 'DateTimeColumn',
+            ])
+            ->add('image', ImageColumn::class, [
+                'title' => 'ImageColumn',
+                'imagine_filter' => '',
+                'relative_path' => '',
+            ])
+            ->add(null, ActionColumn::class, [
+                'title' => 'ActionColumn',
+                'actions' => [
+                ],
+            ])
+            ->add('number', NumberColumn::class, [
+                'title' => 'NumberColumn',
+                'formatter' => new \NumberFormatter('en_US', \NumberFormatter::DECIMAL),
+            ])
+            ->add('virtual', VirtualColumn::class, [
+                'title' => 'VirtualColumn',
+            ])
         ;
     }
 
diff --git a/Tests/Response/DatatableQueryBuilderTest.php b/Tests/Response/DatatableQueryBuilderTest.php
index 568ee2e2..0cd77230 100644
--- a/Tests/Response/DatatableQueryBuilderTest.php
+++ b/Tests/Response/DatatableQueryBuilderTest.php
@@ -100,13 +100,7 @@ public function testUsingTheSortNameWhenShortNameIsNotAReservedWord()
         $this->getDataTableQueryBuilder($entityName, $shortName);
     }
 
-    /**
-     * @param string $entityName
-     * @param string $shortName
-     *
-     * @return DatatableQueryBuilder
-     */
-    private function getDataTableQueryBuilder($entityName, $shortName)
+    private function getDataTableQueryBuilder(string $entityName, string $shortName): DatatableQueryBuilder
     {
         $this->reflectionClass->getShortName()->willReturn($shortName);
         $this->classMetadata->getReflectionClass()->willReturn($this->reflectionClass->reveal());
diff --git a/composer.json b/composer.json
index c024bf22..f3acd27e 100644
--- a/composer.json
+++ b/composer.json
@@ -19,16 +19,20 @@
     },
     "require": {
         "php": ">=7.1",
-        "symfony/framework-bundle": "^3.0|^4.0",
         "doctrine/orm": "^2.5",
-        "symfony/options-resolver": "^3.0|^4.0",
-        "symfony/property-access": "^3.0|^4.0",
-        "friendsofsymfony/jsrouting-bundle": "^1.6|^2.0"
-    },
-    "autoload": {
-        "psr-4": { "Sg\\DatatablesBundle\\": "" }
+        "friendsofsymfony/jsrouting-bundle": "^1.6|^2.0",
+        "symfony/framework-bundle": "^3.4|^4.1",
+        "symfony/options-resolver": "^3.4|^4.1",
+        "symfony/property-access": "^3.4|^4.1",
+        "symfony/security": "^3.4|^4.1",
+        "symfony/translation": "^3.4|^4.1",
+        "twig/twig": "^2.9"
     },
     "require-dev": {
+        "phpunit/phpunit": "5.7.*",
         "friendsofphp/php-cs-fixer": "^2.15"
+    },
+    "autoload": {
+        "psr-4": { "Sg\\DatatablesBundle\\": "" }
     }
 }