diff --git a/composer.json b/composer.json
index f238ebc1..fd637a0e 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
 	"license": "GPL-3.0+",
 	"require": {
 		"php": ">=7.0.0",
-		"typo3/cms-core": "^7.6|dev-master"
+		"typo3/cms-core": "^7.6|^8.7|^9.3|dev-master"
 	},
 	"require-dev": {
 		"namelesscoder/typo3-repository-client": "^1.1.0",