diff --git a/package-lock.json b/package-lock.json
index 3f00c6f..3f6867b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "qieyun",
-  "version": "0.15.0-beta.3",
+  "version": "0.15.0-beta.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "qieyun",
-      "version": "0.15.0-beta.3",
+      "version": "0.15.0-beta.4",
       "license": "MIT",
       "devDependencies": {
         "@ava/typescript": "^5.0.0",
diff --git a/package.json b/package.json
index 9987a73..7db9d96 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "qieyun",
-  "version": "0.15.0-beta.3",
+  "version": "0.15.0-beta.4",
   "description": "A JavaScript library for the Qieyun phonological system",
   "main": "index.js",
   "types": "index.d.ts",