diff --git a/.all-contributorsrc b/.all-contributorsrc
index 8256c30..777e594 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -2523,6 +2523,15 @@
       "contributions": [
         "content"
       ]
+    },
+    {
+      "login": "matthri",
+      "name": "Matthias",
+      "avatar_url": "https://avatars.githubusercontent.com/u/67913999?v=4",
+      "profile": "https://github.com/matthri",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 8,
diff --git a/AUTHORS.md b/AUTHORS.md
index 05c48b6..a768b3f 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -356,6 +356,7 @@ authors.
       <td align="center" valign="top" width="12.5%"><a href="http://0atman.com"><img src="https://avatars.githubusercontent.com/u/114097?v=4?s=100" width="100px;" alt="Tristram Oaten"/><br /><sub><b>Tristram Oaten</b></sub></a><br /><a href="#content-0atman" title="Content">🖋</a></td>
       <td align="center" valign="top" width="12.5%"><a href="https://github.com/danieltinazzi"><img src="https://avatars.githubusercontent.com/u/11833533?v=4?s=100" width="100px;" alt="Daniel Tinazzi"/><br /><sub><b>Daniel Tinazzi</b></sub></a><br /><a href="#content-danieltinazzi" title="Content">🖋</a></td>
       <td align="center" valign="top" width="12.5%"><a href="https://github.com/raymon-roos"><img src="https://avatars.githubusercontent.com/u/38888470?v=4?s=100" width="100px;" alt="Raymon Roos"/><br /><sub><b>Raymon Roos</b></sub></a><br /><a href="#content-raymon-roos" title="Content">🖋</a></td>
+      <td align="center" valign="top" width="12.5%"><a href="https://github.com/matthri"><img src="https://avatars.githubusercontent.com/u/67913999?v=4?s=100" width="100px;" alt="Matthias"/><br /><sub><b>Matthias</b></sub></a><br /><a href="https://github.com/rust-lang/rustlings/commits?author=matthri" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>