diff --git a/composer.json b/composer.json
index aa9338b..16fac9c 100644
--- a/composer.json
+++ b/composer.json
@@ -15,9 +15,10 @@
         }
     ],
     "require": {
+        "php": "^8.1",
         "composer/installers": "*",
-        "silverstripe/framework": "^4@dev",
-        "silverstripe/vendor-plugin": "^1.3"
+        "silverstripe/framework": "^5",
+        "silverstripe/vendor-plugin": "^2"
     },
     "require-dev": {
         "squizlabs/php_codesniffer": "^3.5"