diff --git a/.all-contributorsrc b/.all-contributorsrc
index e547268..81e19af 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -133,6 +133,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "matycarolina",
+      "name": "Marialejandra Contreras",
+      "avatar_url": "https://avatars.githubusercontent.com/u/34869971?v=4",
+      "profile": "https://github.com/matycarolina",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,
diff --git a/README.md b/README.md
index 86113ea..e8b1d00 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-12-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-13-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 [![CI](https://github.com/stackbuilders/assertive-ts/actions/workflows/ci.yml/badge.svg)](https://github.com/stackbuilders/assertive-ts/actions/workflows/ci.yml)
 [![Release](https://github.com/stackbuilders/assertive-ts/actions/workflows/release.yml/badge.svg)](https://github.com/stackbuilders/assertive-ts/actions/workflows/release.yml)
@@ -171,6 +171,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/sebas1208"><img src="https://avatars.githubusercontent.com/u/5571870?v=4?s=100" width="100px;" alt="Sebastian Avalos"/><br /><sub><b>Sebastian Avalos</b></sub></a><br /><a href="https://github.com/stackbuilders/assertive-ts/pulls?q=is%3Apr+reviewed-by%3Asebas1208" title="Reviewed Pull Requests">👀</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://wavee.world/invitation/b96d00e6-b802-4a1b-8a66-2e3854a01ffd"><img src="https://avatars.githubusercontent.com/u/22633385?v=4?s=100" width="100px;" alt="Ikko Eltociear Ashimine"/><br /><sub><b>Ikko Eltociear Ashimine</b></sub></a><br /><a href="https://github.com/stackbuilders/assertive-ts/commits?author=eltociear" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/fonsiher"><img src="https://avatars.githubusercontent.com/u/67283172?v=4?s=100" width="100px;" alt="Edwin Hernández"/><br /><sub><b>Edwin Hernández</b></sub></a><br /><a href="https://github.com/stackbuilders/assertive-ts/commits?author=fonsiher" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/matycarolina"><img src="https://avatars.githubusercontent.com/u/34869971?v=4?s=100" width="100px;" alt="Marialejandra Contreras"/><br /><sub><b>Marialejandra Contreras</b></sub></a><br /><a href="https://github.com/stackbuilders/assertive-ts/commits?author=matycarolina" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>