diff --git a/extra/html-extra/composer.json b/extra/html-extra/composer.json
index 4854e00706..ef532c888c 100644
--- a/extra/html-extra/composer.json
+++ b/extra/html-extra/composer.json
@@ -15,7 +15,7 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/mime": "^4.3",
+        "symfony/mime": "^4.3|^5.0",
         "twig/twig": "^2.4|^3.0"
     },
     "require-dev": {