diff --git a/packages/utils/package.json b/packages/utils/package.json
index 3098e36e..da694bcd 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hiogawa/utils",
-  "version": "1.6.1-pre.9",
+  "version": "1.6.1-pre.10",
   "homepage": "https://github.com/hi-ogawa/js-utils/tree/main/packages/utils",
   "repository": {
     "type": "git",