diff --git a/composer.json b/composer.json
index 9246df6c6..5b1c1a773 100644
--- a/composer.json
+++ b/composer.json
@@ -18,5 +18,10 @@
 	"require": {
 		"php": ">=5.3.2",
 		"composer/installers": "*"
+	},
+	"extra": {
+		"branch-alias": {
+			"dev-master": "3.1.x-dev"
+		}
 	}
 }
\ No newline at end of file