diff --git a/composer.json b/composer.json
index 2070707..3dfed30 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
 		"composer/installers": "^1"
 	},
 	"require-dev": {
-		"php": "^5.6 || ^7",
+		"php": "^5.6 || ^7 || ^8",
 		"dealerdirect/phpcodesniffer-composer-installer": "*",
 		"squizlabs/php_codesniffer": "^3.3.1",
 		"phpcompatibility/phpcompatibility-wp": "*",