diff --git a/.all-contributorsrc b/.all-contributorsrc
index 0a043692..8c4a5552 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -1637,6 +1637,15 @@
         "code",
         "bug"
       ]
+    },
+    {
+      "login": "sieem",
+      "name": "sieem",
+      "avatar_url": "https://avatars.githubusercontent.com/u/36861085?v=4",
+      "profile": "https://github.com/sieem",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "repoHost": "https://github.com",
diff --git a/README.md b/README.md
index b71ca959..2011260a 100644
--- a/README.md
+++ b/README.md
@@ -348,6 +348,9 @@ Thanks goes to these people ([emoji key][emojis]):
       <td align="center" valign="top" width="14.28%"><a href="http://everlong.org/"><img src="https://avatars.githubusercontent.com/u/454175?v=4?s=100" width="100px;" alt="Julien Wajsberg"/><br /><sub><b>Julien Wajsberg</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=julienw" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/issues?q=author%3Ajulienw" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/KevinBon"><img src="https://avatars.githubusercontent.com/u/1910927?v=4?s=100" width="100px;" alt="Kevin BON"/><br /><sub><b>Kevin BON</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=KevinBon" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/issues?q=author%3AKevinBon" title="Bug reports">🐛</a></td>
     </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/sieem"><img src="https://avatars.githubusercontent.com/u/36861085?v=4?s=100" width="100px;" alt="sieem"/><br /><sub><b>sieem</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=sieem" title="Code">💻</a></td>
+    </tr>
   </tbody>
 </table>