diff --git a/.all-contributorsrc b/.all-contributorsrc
index 9a536d34d..50f6363e0 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -1038,6 +1038,15 @@
       "contributions": [
         "translation"
       ]
+    },
+    {
+      "login": "charlesfinley",
+      "name": "Matt Dolan",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/6307904?v=4",
+      "profile": "https://github.com/charlesfinley",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 4,
diff --git a/README.md b/README.md
index d3c815cb3..401a92103 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 [![Join the chat at https://gitter.im/iluwatar/java-design-patterns](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/iluwatar/java-design-patterns?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![Sonarcloud Status](https://sonarcloud.io/api/project_badges/measure?project=iluwatar_java-design-patterns&metric=alert_status)](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns) 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-114-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-115-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 # Introduction
@@ -239,6 +239,7 @@ This project is licensed under the terms of the MIT license.
   <tr>
     <td align="center"><a href="https://webpro.nl"><img src="https://avatars1.githubusercontent.com/u/456426?v=4" width="100px;" alt=""/><br /><sub><b>Lars Kappert</b></sub></a><br /><a href="#content-webpro" title="Content">🖋</a></td>
     <td align="center"><a href="https://xiaod.info"><img src="https://avatars2.githubusercontent.com/u/21277644?v=4" width="100px;" alt=""/><br /><sub><b>Mike Liu</b></sub></a><br /><a href="#translation-xiaod-dev" title="Translation">🌍</a></td>
+    <td align="center"><a href="https://github.com/charlesfinley"><img src="https://avatars1.githubusercontent.com/u/6307904?v=4" width="100px;" alt=""/><br /><sub><b>Matt Dolan</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=charlesfinley" title="Code">💻</a></td>
   </tr>
 </table>