diff --git a/.all-contributorsrc b/.all-contributorsrc
index 707d4b8e..7e5a88a7 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -632,6 +632,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "tu4mo",
+      "name": "tu4mo",
+      "avatar_url": "https://avatars.githubusercontent.com/u/16735302?v=4",
+      "profile": "http://tu4mo.com",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "repoHost": "https://github.com",
diff --git a/README.md b/README.md
index 64b3deba..e5a41091 100644
--- a/README.md
+++ b/README.md
@@ -1352,6 +1352,9 @@ Thanks goes to these people ([emoji key][emojis]):
     <td align="center"><a href="http://everlong.org/"><img src="https://avatars.githubusercontent.com/u/454175?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Julien Wajsberg</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=julienw" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=julienw" title="Tests">⚠️</a></td>
     <td align="center"><a href="http://lichess.org/@/StevenEmily"><img src="https://avatars.githubusercontent.com/u/58114641?v=4?s=100" width="100px;" alt=""/><br /><sub><b>steven nguyen</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=icecream17" title="Documentation">📖</a></td>
   </tr>
+  <tr>
+    <td align="center"><a href="http://tu4mo.com"><img src="https://avatars.githubusercontent.com/u/16735302?v=4?s=100" width="100px;" alt=""/><br /><sub><b>tu4mo</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=tu4mo" title="Documentation">📖</a></td>
+  </tr>
 </table>
 
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