diff --git a/package.json b/package.json
index d7c63a2..211bf31 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "@lume/kiwi",
 	"description": "High speed Cassowary constraint solver in JavaScript.",
-	"version": "0.3.4",
+	"version": "0.4.0",
 	"homepage": "https://github.com/lume/kiwi",
 	"repository": "https://github.com/lume/kiwi",
 	"type": "module",