diff --git a/package.json b/package.json
index 309c65d..baa8f6e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SoftMaskForUGUI",
-  "version": "1.0.0",
+  "version": "0.1.0",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/mob-sakai/SoftMaskForUGUI.git"