diff --git a/package-lock.json b/package-lock.json
index 2ed1698..bd04d15 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "live2d-widget",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index cc1da1d..345376b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "live2d-widget",
-  "version": "3.1.4",
+  "version": "3.1.5",
   "main": "./lib/L2Dwidget.common.js",
   "description": "Add the Sseexxyyy live2d to webpages.",
   "scripts": {