diff --git a/composer.json b/composer.json
index 3873a5a..498f399 100644
--- a/composer.json
+++ b/composer.json
@@ -21,6 +21,6 @@
 	},
 	"require" : {
 		"php" : ">=7.2",
-		"phootwork/collection" : "2.0@dev"
+		"phootwork/collection" : "^2.0"
 	}
 }
\ No newline at end of file