diff --git a/.all-contributorsrc b/.all-contributorsrc
index 2ea3a8c3..0d731f91 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -116,6 +116,17 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "KubaJastrz",
+      "name": "Jakub Jastrzębski",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/6443113?v=4",
+      "profile": "https://kubajastrz.com",
+      "contributions": [
+        "code",
+        "doc",
+        "test"
+      ]
     }
   ],
   "contributorsPerLine": 7,
diff --git a/README.md b/README.md
index 98d06931..16458574 100644
--- a/README.md
+++ b/README.md
@@ -23,9 +23,7 @@
 [![Tweet][tweet-badge]][tweet-url]
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-
-[![All Contributors](https://img.shields.io/badge/all_contributors-10-orange.svg?style=flat-square)](#contributors-)
-
+[![All Contributors](https://img.shields.io/badge/all_contributors-11-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 ## Installation
@@ -188,12 +186,12 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/jonaldinger"><img src="https://avatars1.githubusercontent.com/u/663362?v=4" width="100px;" alt=""/><br /><sub><b>Jon Aldinger</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=jonaldinger" title="Documentation">📖</a></td>
     <td align="center"><a href="http://www.thomasknickman.com"><img src="https://avatars1.githubusercontent.com/u/2933988?v=4" width="100px;" alt=""/><br /><sub><b>Thomas Knickman</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=tknickman" title="Code">💻</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=tknickman" title="Documentation">📖</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=tknickman" title="Tests">⚠️</a></td>
     <td align="center"><a href="http://exercism.io/profiles/wolverineks/619ce225090a43cb891d2edcbbf50401"><img src="https://avatars2.githubusercontent.com/u/8462274?v=4" width="100px;" alt=""/><br /><sub><b>Kevin Sullivan</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=wolverineks" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://kubajastrz.com"><img src="https://avatars0.githubusercontent.com/u/6443113?v=4" width="100px;" alt=""/><br /><sub><b>Jakub Jastrzębski</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=KubaJastrz" title="Code">💻</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=KubaJastrz" title="Documentation">📖</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=KubaJastrz" title="Tests">⚠️</a></td>
   </tr>
 </table>
 
 <!-- markdownlint-enable -->
 <!-- prettier-ignore-end -->
-
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!