diff --git a/composer.json b/composer.json
index 67c30af798b4518ebc4acd6fdc7bf3c0e4604823..cbd9010f3e968d72114cae643eddf9b136e65152 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
         }
     ],
     "require"     : {
-        "unicaen/app": "^4.0"
+        "unicaen/app": "^4.0 || dev-ll-php8"
     },
     "autoload"    : {
         "psr-4"   : {