diff --git a/core/package.json b/core/package.json
index 316c10fa..c55465b4 100644
--- a/core/package.json
+++ b/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nadesiko3core",
-  "version": "3.6.20",
+  "version": "3.6.21",
   "description": "Japanese Programming Language Nadesiko v3 core",
   "main": "index.mjs",
   "type": "module",
diff --git a/package.json b/package.json
index 57a37375..68524458 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nadesiko3",
-  "version": "3.6.20",
+  "version": "3.6.21",
   "description": "Japanese Programming Language",
   "type": "module",
   "main": "src/index.mjs",
diff --git a/src/nako_version.mts b/src/nako_version.mts
index 35efb6b2..a77660b5 100644
--- a/src/nako_version.mts
+++ b/src/nako_version.mts
@@ -11,9 +11,9 @@ export interface NakoVersion {
 }
 // 実際のバージョン定義 (自動生成されるので以下を編集しない)
 const nakoVersion: NakoVersion = {
-  version: '3.6.20',
+  version: '3.6.21',
   major: 3,
   minor: 6,
-  patch: 20
+  patch: 21
 }
 export default nakoVersion