diff --git a/Makefile b/Makefile
index 19220b9..72a1b9b 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@ typo3DatabaseHost ?= "127.0.0.1"
 
 .PHONY: install
 install: clean
-	COMPOSER_PROCESS_TIMEOUT=1000 composer require -vv --dev --prefer-source --ignore-platform-reqs typo3/cms="$(TYPO3_VERSION)"
+	COMPOSER_PROCESS_TIMEOUT=1000 composer require -vv --dev --prefer-source typo3/cms="$(TYPO3_VERSION)"
 	git checkout composer.json
 
 functionalTests: