diff --git a/composer.json b/composer.json
index bf1c5af..8553509 100644
--- a/composer.json
+++ b/composer.json
@@ -26,8 +26,7 @@
 		"irc": "irc://irc.freenode.net/wikidata"
 	},
 	"require": {
-		"php": ">=5.5.9",
-		"composer/installers": ">=1.0.1"
+		"php": ">=5.5.9"
 	},
 	"require-dev": {
 		"wikibase/wikibase-codesniffer": "^0.1.0"