diff --git a/package-lock.json b/package-lock.json
index efd0919..a371c3a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "ameba-color-palette.css",
-  "version": "4.12.0",
+  "version": "4.13.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 75987e9..c62d8a3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ameba-color-palette.css",
-  "version": "4.12.0",
+  "version": "4.13.0",
   "description": "Ameba Color Palette.",
   "main": "ameba-color-palette.css",
   "scripts": {