diff --git a/package.json b/package.json
index 93cf684..7afb6e8 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
         "url": "https://github.com/textlint-ja/textlint-rule-no-dropping-i/issues"
     },
     "dependencies": {
-        "kuromojin": "^1.2.1",
+        "kuromojin": "^2.1.1",
         "textlint-rule-helper": "^1.1.4"
     },
     "description": "い抜き言葉を検出するtextlint rule",
diff --git a/src/no-dropping-i.js b/src/no-dropping-i.js
index ab39067..3d8a472 100644
--- a/src/no-dropping-i.js
+++ b/src/no-dropping-i.js
@@ -1,7 +1,7 @@
 // LICENSE : MIT
 "use strict";
 import { RuleHelper } from "textlint-rule-helper";
-import kuromojin from "kuromojin";
+import { tokenize } from "kuromojin";
 
 function isTargetWord(token) {
     return token.pos == "助詞" && token.pos_detail_1 == "接続助詞" && token.basic_form == "て";
@@ -20,7 +20,7 @@ module.exports = function(context) {
                 return;
             }
             let text = getSource(node);
-            return kuromojin(text).then(tokens => {
+            return tokenize(text).then(tokens => {
                 tokens.reduce((prev, current) => {
                     if (isTargetWord(prev) && isMasuWord(current)) {
                         report(
diff --git a/yarn.lock b/yarn.lock
index db00f13..a894fdd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2928,10 +2928,10 @@ kuromoji@0.1.1:
     doublearray "0.0.2"
     zlibjs "^0.2.0"
 
-kuromojin@^1.2.1:
-  version "1.5.1"
-  resolved "https://registry.yarnpkg.com/kuromojin/-/kuromojin-1.5.1.tgz#f5c4cc2d4a8b56343c7281f7def8d56309184078"
-  integrity sha512-tzt3UUqWqzwHMsahchyrcs9kgbn6OM7xP4QRCd0w5vqE0lA/cjCH0OxjLaekz5cnxGmcy8RfN7La3xOxZOvJ1w==
+kuromojin@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/kuromojin/-/kuromojin-2.1.1.tgz#5de1dbec4ffcc7cce57a10e75e751cd1ca384e38"
+  integrity sha512-bd5dfE9CdRBoRPiquE5uhzBrDOn2K3WuFeOWqZgM7DNtQhvS7P9IALy5MtDxXcnw7DLBAZ1A7DByPO5BhXdgew==
   dependencies:
     kuromoji "0.1.1"