diff --git a/.all-contributorsrc b/.all-contributorsrc
index 8c4bc70..6c37fd6 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -14,6 +14,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "nisshan-x",
+      "name": "Shinya Nishimoto",
+      "avatar_url": "https://avatars.githubusercontent.com/u/67353276?v=4",
+      "profile": "https://github.com/nisshan-x",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,