diff --git a/.all-contributorsrc b/.all-contributorsrc
index f3186d77fb72..806d0f4d91e1 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -2632,6 +2632,16 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "AddeusExMachina",
+      "name": "Antonio Addeo",
+      "avatar_url": "https://avatars.githubusercontent.com/u/39912670?v=4",
+      "profile": "https://github.com/AddeusExMachina",
+      "contributions": [
+        "doc",
+        "code"
+      ]      
     }
   ],
   "contributorsPerLine": 7,
diff --git a/README.md b/README.md
index cd71b32c59a7..d64f84195251 100644
--- a/README.md
+++ b/README.md
@@ -447,6 +447,7 @@ This project is licensed under the terms of the MIT license.
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/sanchitbansal10"><img src="https://avatars.githubusercontent.com/u/16536741?v=4?s=100" width="100px;" alt="Sanchit Bansal"/><br /><sub><b>Sanchit Bansal</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=sanchitbansal10" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/mm-saiful6854"><img src="https://avatars.githubusercontent.com/u/48361160?v=4?s=100" width="100px;" alt="Md Saiful Islam"/><br /><sub><b>Md Saiful Islam</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=mm-saiful6854" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/AddeusExMachina"><img src="https://avatars.githubusercontent.com/u/39912670?v=4?s=100" width="100px;" alt="Antonio Addeo"/><br /><sub><b>Antonio Addeo</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=AddeusExMachina" title="Documentation">📖</a> <a href="https://github.com/iluwatar/java-design-patterns/commits?author=AddeusExMachina" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>