diff --git a/composer.json b/composer.json
index b974292..e9a2999 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
     ],
     "require": {
         "php": ">=5.6.0",
-        "composer/installers": "~1.0"
+        "composer/installers": "^1.0 || ^2.0"
     },
     "extra": {
         "installer-name": "twtxt"