diff --git a/package-lock.json b/package-lock.json
index a4190d6..38ab890 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "xsystem",
-	"version": "0.3.2",
+	"version": "0.4.0",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "xsystem",
-			"version": "0.3.2",
+			"version": "0.4.0",
 			"license": "MIT",
 			"devDependencies": {
 				"@swc-node/jest": "^1.4.1",
diff --git a/package.json b/package.json
index 6561e9d..0d4c884 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "xsystem",
-	"version": "0.3.2",
+	"version": "0.4.0",
 	"license": "MIT",
 	"author": "Christoph Fricke <christoph@frickeonline.de> (https://christoph-fricke.de)",
 	"description": "Building Blocks for XState-based Actor Systems.",