diff --git a/package-lock.json b/package-lock.json
index 711dae90..5b7436d2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "electron-shogi",
-  "version": "1.21.0-beta.0",
+  "version": "1.21.0-beta.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "electron-shogi",
-      "version": "1.21.0-beta.0",
+      "version": "1.21.0-beta.1",
       "license": "MIT",
       "dependencies": {
         "@github/hotkey": "^3.1.0",
diff --git a/package.json b/package.json
index 158e0eab..b6fcf4bb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "electron-shogi",
-  "version": "1.21.0-beta.0",
+  "version": "1.21.0-beta.1",
   "description": "Shogi Frontend Application",
   "author": "Kubo, Ryosuke",
   "license": "MIT",