Edit composer.json

composer.json

@@ -9,10 +9,10 @@
     ],
     "require": {
         "laminas/laminas-cli": "*",
-        "unicaen/app": ">=6.2",
-        "unicaen/utilisateur": ">=6.3",
-        "unicaen/privilege": ">=6.2",
-        "unicaen/mail": ">=7.0"
+        "unicaen/app": "dev-php84",
+        "unicaen/utilisateur": "dev-php84",
+        "unicaen/privilege": "dev-php84",
+        "unicaen/mail": "dev-php84"
     },
     "autoload": {
         "psr-0": [],