diff --git a/composer.json b/composer.json
index 9f5df57..13394ed 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
 	],
 	"require": {
 		"php": ">=7.2",
-		"composer/installers": "^1.0 || ^2.0"
+		"composer/installers": "~1.0"
 	},
 	"require-dev": {
 		"phing/phing": "~2.4"