diff --git a/.all-contributorsrc b/.all-contributorsrc
index a80d5ab13..0d3209311 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -68,6 +68,17 @@
         "doc"
       ]
     },
+    {
+      "login": "sebald",
+      "name": "Sebastian Sebald",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/985701?v=4",
+      "profile": "https://github.com/sebald",
+      "contributions": [
+        "doc",
+        "code",
+        "test"
+      ]
+    },
     {
       "login": "karlhorky",
       "name": "Karl Horky",
diff --git a/README.md b/README.md
index fa05052ac..fa55d514c 100644
--- a/README.md
+++ b/README.md
@@ -518,6 +518,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://jasonet.co"><img src="https://avatars1.githubusercontent.com/u/10660468?v=4" width="100px;" alt=""/><br /><sub><b>Jason Etcovitch</b></sub></a><br /><a href="https://github.com/jaredpalmer/tsdx/issues?q=author%3AJasonEtco" title="Bug reports">🐛</a> <a href="https://github.com/jaredpalmer/tsdx/commits?author=JasonEtco" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://github.com/skvale"><img src="https://avatars0.githubusercontent.com/u/5314713?v=4" width="100px;" alt=""/><br /><sub><b>Sam Kvale</b></sub></a><br /><a href="https://github.com/jaredpalmer/tsdx/commits?author=skvale" title="Code">💻</a> <a href="https://github.com/jaredpalmer/tsdx/commits?author=skvale" title="Tests">⚠️</a> <a href="https://github.com/jaredpalmer/tsdx/issues?q=author%3Askvale" title="Bug reports">🐛</a> <a href="https://github.com/jaredpalmer/tsdx/commits?author=skvale" title="Documentation">📖</a></td>
     <td align="center"><a href="https://lucaspolito.dev/"><img src="https://avatars3.githubusercontent.com/u/41299650?v=4" width="100px;" alt=""/><br /><sub><b>Lucas Polito</b></sub></a><br /><a href="https://github.com/jaredpalmer/tsdx/commits?author=lpolito" title="Code">💻</a> <a href="https://github.com/jaredpalmer/tsdx/commits?author=lpolito" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/sebald"><img src="https://avatars3.githubusercontent.com/u/985701?v=4" width="100px;" alt=""/><br /><sub><b>Sebastian Sebald</b></sub></a><br /><a href="https://github.com/jaredpalmer/tsdx/commits?author=sebald" title="Documentation">📖</a> <a href="https://github.com/jaredpalmer/tsdx/commits?author=sebald" title="Code">💻</a> <a href="https://github.com/jaredpalmer/tsdx/commits?author=sebald" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://twitter.com/karlhorky"><img src="https://avatars2.githubusercontent.com/u/1935696?v=4" width="100px;" alt=""/><br /><sub><b>Karl Horky</b></sub></a><br /><a href="https://github.com/jaredpalmer/tsdx/commits?author=karlhorky" title="Documentation">📖</a></td>
     <td align="center"><a href="https://ghuser.io/jamesgeorge007"><img src="https://avatars2.githubusercontent.com/u/25279263?v=4" width="100px;" alt=""/><br /><sub><b>James George</b></sub></a><br /><a href="https://github.com/jaredpalmer/tsdx/commits?author=jamesgeorge007" title="Documentation">📖</a></td>
     <td align="center"><a href="https://twitter.com/agilgur5"><img src="https://avatars3.githubusercontent.com/u/4970083?v=4" width="100px;" alt=""/><br /><sub><b>Anton Gilgur</b></sub></a><br /><a href="#maintenance-agilgur5" title="Maintenance">🚧</a> <a href="https://github.com/jaredpalmer/tsdx/commits?author=agilgur5" title="Documentation">📖</a> <a href="https://github.com/jaredpalmer/tsdx/commits?author=agilgur5" title="Code">💻</a> <a href="https://github.com/jaredpalmer/tsdx/commits?author=agilgur5" title="Tests">⚠️</a></td>