diff --git a/package-lock.json b/package-lock.json
index 5aba477..4380c03 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@cicada-lang/mugda",
-  "version": "0.1.19",
+  "version": "0.1.20",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@cicada-lang/mugda",
-      "version": "0.1.19",
+      "version": "0.1.20",
       "license": "GPL-3.0-or-later",
       "dependencies": {
         "@cicada-lang/partech": "^0.2.2",
diff --git a/package.json b/package.json
index 274ca66..554d883 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cicada-lang/mugda",
-  "version": "0.1.19",
+  "version": "0.1.20",
   "repository": "github:cicada-lang/mugda",
   "main": "./lib/index.js",
   "files": [