diff --git a/package.json b/package.json
index 81c6919..0710c12 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "bugs": {
     "url": "https://github.com/textlint-rule/textlint-rule-prh/issues"
   },
-  "version": "5.2.0",
+  "version": "5.2.1",
   "description": "textlint rule for prh.",
   "main": "lib/textlint-rule-prh.js",
   "files": [