diff --git a/.all-contributorsrc b/.all-contributorsrc
index 8e27a92..e317741 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -279,6 +279,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "mattn",
+      "name": "mattn",
+      "avatar_url": "https://avatars.githubusercontent.com/u/10111?v=4",
+      "profile": "https://mattn.kaoriya.net/",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7
diff --git a/README.md b/README.md
index 49a4c8e..7700db2 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # ![](https://raw.githubusercontent.com/sorenisanerd/gotty/master/resources/favicon.ico) GoTTY - Share your terminal as a web application
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-30-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-31-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 [![GitHub release](http://img.shields.io/github/release/sorenisanerd/gotty.svg?style=flat-square)][release]
@@ -242,6 +242,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tr>
     <td align="center"><a href="https://github.com/zyfdegh"><img src="https://avatars.githubusercontent.com/u/7880217?v=4?s=100" width="100px;" alt=""/><br /><sub><b>zyfdegh</b></sub></a><br /><a href="https://github.com/sorenisanerd/gotty/commits?author=zyfdegh" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/fredster33"><img src="https://avatars.githubusercontent.com/u/64927044?v=4?s=100" width="100px;" alt=""/><br /><sub><b>fredster33</b></sub></a><br /><a href="https://github.com/sorenisanerd/gotty/commits?author=fredster33" title="Code">💻</a></td>
+    <td align="center"><a href="https://mattn.kaoriya.net/"><img src="https://avatars.githubusercontent.com/u/10111?v=4?s=100" width="100px;" alt=""/><br /><sub><b>mattn</b></sub></a><br /><a href="https://github.com/sorenisanerd/gotty/commits?author=mattn" title="Code">💻</a></td>
   </tr>
 </table>