diff --git a/.all-contributorsrc b/.all-contributorsrc
index fe9ea1e6..d6f2b7ec 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -18,6 +18,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "maciejka",
+      "name": "Maciej Kamiński @ StarkWare",
+      "avatar_url": "https://avatars.githubusercontent.com/u/190855?v=4",
+      "profile": "https://github.com/maciejka",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,
diff --git a/README.md b/README.md
index 2253335c..830d78bf 100644
--- a/README.md
+++ b/README.md
@@ -72,6 +72,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tbody>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/AbdelStark"><img src="https://avatars.githubusercontent.com/u/45264458?v=4?s=100" width="100px;" alt="Abdel @ StarkWare "/><br /><sub><b>Abdel @ StarkWare </b></sub></a><br /><a href="https://github.com/keep-starknet-strange/joyboy/commits?author=AbdelStark" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/maciejka"><img src="https://avatars.githubusercontent.com/u/190855?v=4?s=100" width="100px;" alt="Maciej Kamiński @ StarkWare"/><br /><sub><b>Maciej Kamiński @ StarkWare</b></sub></a><br /><a href="https://github.com/keep-starknet-strange/joyboy/commits?author=maciejka" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>