diff --git a/CHANGELOG.md b/CHANGELOG.md
index d451fc3f..6cbf62e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## [1.21.1](https://github.com/shunkakinoki/shunkakinoki.com/compare/v1.21.0...v1.21.1) (2021-08-17)
+
+### Performance Improvements
+
+- ini package json ([4af8884](https://github.com/shunkakinoki/shunkakinoki.com/commit/4af88847d3e5187c47f2d8b90ab3fdeb1b93e4d3))
+
 # [1.21.0](https://github.com/shunkakinoki/shunkakinoki.com/compare/v1.20.0...v1.21.0) (2021-08-17)
 
 ### Features
diff --git a/package.json b/package.json
index df40da05..0ace8408 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "shunkakinoki.com",
-  "version": "1.21.0",
+  "version": "1.21.1",
   "description": "",
   "homepage": "https://shunkakinoki.com",
   "bugs": {