diff --git a/package.json b/package.json
index 18e67dc..5a4ebc6 100644
--- a/package.json
+++ b/package.json
@@ -38,10 +38,10 @@
     "espower-babel": "^4.0.0",
     "mocha": "^2.3.3",
     "power-assert": "^1.2.0",
-    "textlint-tester": "^0.4.0"
+    "textlint-tester": "^1.2.0"
   },
   "dependencies": {
-    "kuromojin": "^1.0.1",
+    "kuromojin": "^1.2.1",
     "textlint-rule-helper": "^1.1.4"
   }
 }
diff --git a/src/no-dropping-the-ra.js b/src/no-dropping-the-ra.js
index 256e088..34f8605 100644
--- a/src/no-dropping-the-ra.js
+++ b/src/no-dropping-the-ra.js
@@ -29,8 +29,8 @@ export default function (context) {
                 tokens.reduce((prev, current) => {
                     if (isTargetVerb(prev) && isRaWord(current)) {
                         report(node, new RuleError("ら抜き言葉を使用しています。", {
-                            column: (current.word_position - 1)
-                        }))
+                            index: (current.word_position - 1)
+                        }));
                     }
                     return current;
                 });