diff --git a/composer.json b/composer.json
index 0e0cfa6..0828f4a 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
 	}
     ],
     "require"     : {
-	"composer/installers" : "^1.0",
+	"composer/installers" : "~1.0|~2.0",
 	"php"                 : ">=5.3.0"
     },
    "autoload": {