diff --git a/.all-contributorsrc b/.all-contributorsrc
index 7ed35d4..395a6aa 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -14,6 +14,15 @@
         "code"
       ]
     },
+    {
+      "login": "piantgrunger",
+      "name": "Alfian Naufal",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/15101734?v=4",
+      "profile": "https://alfiannaufal.com",
+      "contributions": [
+        "tool"
+      ]
+    },
     {
       "login": "cesarlopes",
       "name": "César Lopes",
diff --git a/README.md b/README.md
index da815e2..1e97209 100644
--- a/README.md
+++ b/README.md
@@ -114,6 +114,7 @@ Stisla is better because of the [contributors](https://github.com/stisla/stisla/
     <td align="center"><a href="https://github.com/jenkijo"><img src="https://avatars1.githubusercontent.com/u/32048650?v=4" width="100px;" alt=""/><br /><sub><b>Phong Truong</b></sub></a><br /><a href="#design-jenkijo" title="Design">🎨</a></td>
   </tr>
   <tr>
+    <td align="center"><a href="https://alfiannaufal.com"><img src="https://avatars1.githubusercontent.com/u/15101734?v=4" width="100px;" alt=""/><br /><sub><b>Alfian Naufal</b></sub></a><br /><a href="#tool-piantgrunger" title="Tools">🔧</a></td>
     <td align="center"><a href="http://achmiral.id"><img src="https://avatars0.githubusercontent.com/u/10906059?v=4" width="100px;" alt=""/><br /><sub><b>Miral Achmed</b></sub></a><br /><a href="#content-achmiral" title="Content">🖋</a></td>
     <td align="center"><a href="http://david.polynar.hu"><img src="https://avatars1.githubusercontent.com/u/1795922?v=4" width="100px;" alt=""/><br /><sub><b>David Polynar</b></sub></a><br /><a href="https://github.com/stisla/stisla/commits?author=polynar" title="Code">💻</a></td>
     <td align="center"><a href="http://tarhche.ir"><img src="https://avatars3.githubusercontent.com/u/6291970?v=4" width="100px;" alt=""/><br /><sub><b>mahdikhanzadi</b></sub></a><br /><a href="https://github.com/stisla/stisla/commits?author=khanzadimahdi" title="Code">💻</a></td>