diff --git a/package-lock.json b/package-lock.json
index 3a3db53..e54fc96 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "yohira",
-	"version": "0.0.0-alpha.56",
+	"version": "0.0.0-alpha.57",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "yohira",
-			"version": "0.0.0-alpha.56",
+			"version": "0.0.0-alpha.57",
 			"license": "MIT",
 			"dependencies": {
 				"reflect-metadata": "^0.1.13"
diff --git a/package.json b/package.json
index a0e6bd6..cdbb40b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "yohira",
-	"version": "0.0.0-alpha.56",
+	"version": "0.0.0-alpha.57",
 	"description": "Yohira is an experimental project to port ASP.NET Core to TypeScript.",
 	"main": "dist/index.js",
 	"devDependencies": {