diff --git a/composer.json b/composer.json
index b9ef661..9856dee 100644
--- a/composer.json
+++ b/composer.json
@@ -12,13 +12,13 @@
     "homepage": "https://github.com/xola/OmnipayBundle",
     "license": "MIT",
     "require": {
-        "php": ">=7",
+        "php": ">=7.2",
         "symfony/framework-bundle": ">=2.1",
         "league/omnipay": "^3.0",
         "php-http/logger-plugin": "^1.1"
     },
     "require-dev": {
-        "phpunit/phpunit": "^6",
+        "phpunit/phpunit": "^8.5.52",
         "omnipay/authorizenet": "^3.3",
         "omnipay/eway": "^3.0",
         "omnipay/mollie": "^5.2",