diff --git a/composer.json b/composer.json
index c49521e..231a4f9 100644
--- a/composer.json
+++ b/composer.json
@@ -57,13 +57,13 @@
 	},
 	"require-dev": {
 		"bamarni/composer-bin-plugin": "^1.8",
-		"overtrue/phplint": "^9.0",
-		"php-coveralls/php-coveralls": "^2.6",
-		"phpmd/phpmd": "^2.14",
+		"overtrue/phplint": "^9.1",
+		"php-coveralls/php-coveralls": "^2.7",
+		"phpmd/phpmd": "^2.15",
 		"pronamic/pronamic-cli": "^1.1",
-		"pronamic/wp-coding-standards": "^2.0",
-		"roots/wordpress": "^6.0",
-		"wp-phpunit/wp-phpunit": "^6.1",
+		"pronamic/wp-coding-standards": "^2.2",
+		"roots/wordpress": "^6.4",
+		"wp-phpunit/wp-phpunit": "^6.4",
 		"yoast/phpunit-polyfills": "^2.0"
 	},
 	"scripts": {