diff --git a/package-lock.json b/package-lock.json
index 2ea1816..02c2274 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@webtoon/psd",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@webtoon/psd",
-      "version": "0.1.0",
+      "version": "0.1.1",
       "license": "MIT",
       "devDependencies": {
         "@types/jest": "^27.0.3",
diff --git a/package.json b/package.json
index 781ba94..f74da02 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@webtoon/psd",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "lightweight psd file parser with no dependency written in typescript",
   "homepage": "https://webtoon.github.io/psd",
   "license": "MIT",