diff --git a/.all-contributorsrc b/.all-contributorsrc
index 70877547..78279215 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -275,6 +275,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "penguinlab",
+      "name": "Naoki Ishikawa",
+      "avatar_url": "https://avatars.githubusercontent.com/u/10959317?v=4",
+      "profile": "https://github.com/penguinlab",
+      "contributions": [
+        "translation"
+      ]
     }
   ],
   "contributorsPerLine": 7,