diff --git a/composer.json b/composer.json
index 8b42abd..7b80858 100644
--- a/composer.json
+++ b/composer.json
@@ -19,12 +19,13 @@
     "require": {
         "php": "~7.2",
         "gravatarphp/gravatar": "^2.0.0",
+        "gravatarphp/twig-integration": "^2.0.0",
         "symfony/config": "^4.4 || ^5.0",
         "symfony/dependency-injection": "^4.4 || ^5.0",
         "symfony/http-kernel": "^4.4 || ^5.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.5.6 || ^9.2.2",
+        "phpunit/phpunit": "^8.5.8 || ^9.2.2",
         "squizlabs/php_codesniffer": "^3.5.5"
     },
     "config": {
@@ -44,5 +45,7 @@
         "psr-4": {
             "Gravatar\\GravatarBundle\\Tests\\": "tests"
         }
-    }
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/src/DependencyInjection/GravatarExtension.php b/src/DependencyInjection/GravatarExtension.php
index 5639a53..a08aa6e 100644
--- a/src/DependencyInjection/GravatarExtension.php
+++ b/src/DependencyInjection/GravatarExtension.php
@@ -5,9 +5,11 @@
 namespace Gravatar\GravatarBundle\DependencyInjection;
 
 use Gravatar\Gravatar;
+use Gravatar\Twig\GravatarExtension as TwigGravatarExtension;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\DependencyInjection\Extension\Extension;
+use Symfony\Component\DependencyInjection\Reference;
 
 final class GravatarExtension extends Extension
 {
@@ -18,5 +20,13 @@ public function load(array $configs, ContainerBuilder $container): void
             new Definition(Gravatar::class, [$configs['defaults'], $configs['secure']])
         );
         $container->setAlias(Gravatar::class, 'gravatarphp.gravatar');
+
+        $container->setDefinition(
+            TwigGravatarExtension::class,
+            new Definition(
+                TwigGravatarExtension::class,
+                [new Reference('gravatarphp.gravatar')]
+            )
+        );
     }
 }