diff --git a/README.md b/README.md
index 56f2a1f..3139c21 100644
--- a/README.md
+++ b/README.md
@@ -210,6 +210,7 @@ CONTRIBUTORS
 * [Ayumu Sato](https://github.com/ahomu)
 * [Denis Sokolov](https://github.com/denis-sokolov)
 * [yudppp](https://github.com/yudppp)
+* [Daijiro Wachi](https://github.com/watilde)
 
 
 LICENSE
diff --git a/package.json b/package.json
index 179f6e6..890acb8 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,10 @@
     {
       "name": "yudppp",
       "url": "https://github.com/yudppp"
+    },
+    {
+      "name": "Daijiro Wachi",
+      "url": "https://github.com/watilde"
     }
   ],
   "dependencies": {