diff --git a/composer.json b/composer.json
index 4a15221..41cab1d 100644
--- a/composer.json
+++ b/composer.json
@@ -8,12 +8,13 @@
     ],
     "license": "BSD-3-Clause",
     "require": {
+        "php": "^7.3 || ^8.0",
         "cwp/cwp": "^2",
-        "silverstripe/framework": "^4.1",
+        "silverstripe/framework": "^4.10",
         "symbiote/silverstripe-gridfieldextensions": "^3.1"
     },
     "require-dev": {
-        "sminnee/phpunit": "^5.7",
+        "phpunit/phpunit": "^9.5",
         "squizlabs/php_codesniffer": "^3"
     },
     "autoload": {