diff --git a/package-lock.json b/package-lock.json
index e36774d..6db2932 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "udon-sun-controller",
-  "version": "4.1.0-alpha.1",
+  "version": "4.1.0-beta.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "udon-sun-controller",
-      "version": "4.1.0-alpha.1",
+      "version": "4.1.0-beta.1",
       "license": "MIT",
       "devDependencies": {
         "@semantic-release/exec": "^6.0.3",
diff --git a/package.json b/package.json
index be317d7..b0d6c27 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "udon-sun-controller",
   "displayName": "Udon Sun Controller",
-  "version": "4.1.0-alpha.1",
+  "version": "4.1.0-beta.1",
   "private": true,
   "description": "Udon Sun Controller provides the ability to freely control the Directional Light at runtime for your VRChat Udon world.",
   "homepage": "https://github.com/esnya/UdonSunController#readme",