diff --git a/package-lock.json b/package-lock.json
index 2ad597d..c309498 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "textlint-rule-no-doubled-joshi",
-  "version": "5.1.0",
+  "version": "5.1.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "textlint-rule-no-doubled-joshi",
-      "version": "5.1.0",
+      "version": "5.1.1",
       "license": "MIT",
       "dependencies": {
         "kuromojin": "^3.0.0",
diff --git a/package.json b/package.json
index 287fa29..5296f07 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "bugs": {
     "url": "https://github.com/textlint-ja/textlint-rule-no-doubled-joshi/issues"
   },
-  "version": "5.1.0",
+  "version": "5.1.1",
   "description": "textlint rule check doubled joshi",
   "main": "lib/no-doubled-joshi.js",
   "files": [
diff --git a/release-notes.md b/release-notes.md
new file mode 100644
index 0000000..18716cb
--- /dev/null
+++ b/release-notes.md
@@ -0,0 +1,14 @@
+<!-- Release notes generated using configuration in .github/release.yml at master -->
+
+## What's Changed
+### Refactoring
+* fix: prevent token mutation by @yuta0709 in https://github.com/textlint-ja/textlint-rule-no-doubled-joshi/pull/71
+### Dependency Updates
+* chore(deps-dev): bump ejs from 3.1.9 to 3.1.10 by @dependabot[bot] in https://github.com/textlint-ja/textlint-rule-no-doubled-joshi/pull/67
+* chore(deps-dev): bump braces from 3.0.2 to 3.0.3 by @dependabot[bot] in https://github.com/textlint-ja/textlint-rule-no-doubled-joshi/pull/68
+* chore(deps): bump serialize-javascript and mocha by @dependabot[bot] in https://github.com/textlint-ja/textlint-rule-no-doubled-joshi/pull/70
+
+## New Contributors
+* @yuta0709 made their first contribution in https://github.com/textlint-ja/textlint-rule-no-doubled-joshi/pull/71
+
+**Full Changelog**: https://github.com/textlint-ja/textlint-rule-no-doubled-joshi/compare/v5.1.0...v5.1.1