diff --git a/.all-contributorsrc b/.all-contributorsrc
index 52bdc84..57c7565 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -14,6 +14,15 @@
         "code"
       ]
     },
+    {
+      "login": "khanzadimahdi",
+      "name": "mahdikhanzadi",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/6291970?v=4",
+      "profile": "http://tarhche.ir",
+      "contributions": [
+        "code"
+      ]
+    },
     {
       "login": "OmarElGabry",
       "name": "OMAR ELGABRY",
diff --git a/README.md b/README.md
index db46652..aa97aea 100644
--- a/README.md
+++ b/README.md
@@ -106,6 +106,7 @@ Stisla is better because of the [contributors](https://github.com/stisla/stisla/
 <table>
   <tr>
     <td align="center"><a href="http://iqbalaqaba.github.io"><img src="https://avatars3.githubusercontent.com/u/20835372?v=4" width="100px;" alt=""/><br /><sub><b>Iqbal</b></sub></a><br /><a href="https://github.com/stisla/stisla/commits?author=iqbalaqaba" 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>
     <td align="center"><a href="https://medium.com/omarelgabrys-blog/"><img src="https://avatars3.githubusercontent.com/u/9262504?v=4" width="100px;" alt=""/><br /><sub><b>OMAR ELGABRY</b></sub></a><br /><a href="https://github.com/stisla/stisla/commits?author=OmarElGabry" title="Code">💻</a></td>
     <td align="center"><a href="https://sundi3yansyah.com"><img src="https://avatars2.githubusercontent.com/u/3952281?v=4" width="100px;" alt=""/><br /><sub><b>Cahyadi Triyansyah</b></sub></a><br /><a href="https://github.com/stisla/stisla/commits?author=SunDi3yansyah" title="Code">💻</a></td>
   </tr>