diff --git a/composer.json b/composer.json
index d6d42c8..6b0d65e 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,7 @@
         "symfony/monolog-bundle": "^3.3",
         "symfony/browser-kit": "^3.0",
         "symfony/css-selector": "^3.0",
-        "symfony/asset": "^3.2",
+        "symfony/asset": "^4.4",
         "symfony/templating": "^3.2",
         "phpunit/phpunit": "^5.7",
         "sebastian/recursion-context": "~2.0",