diff --git a/.all-contributorsrc b/.all-contributorsrc
index e7bc74009..9913c1e64 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -291,6 +291,15 @@
         "code"
       ]
     },
+    {
+      "login": "dzmitryh",
+      "name": "Dima Gubin",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/5390492?v=4",
+      "profile": "https://about.me/dzmitryh",
+      "contributions": [
+        "code"
+      ]
+    },
     {
       "login": "jjjimenez100",
       "name": "Joshua Jimenez",
diff --git a/README.md b/README.md
index bbb11f58d..b0a836d2a 100644
--- a/README.md
+++ b/README.md
@@ -200,6 +200,9 @@ This project is licensed under the terms of the MIT license.
     <td align="center"><a href="http://about.me/kaiwinter"><img src="https://avatars0.githubusercontent.com/u/110982?v=4" width="100px;" alt=""/><br /><sub><b>Kai Winter</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=kaiwinter" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/jjjimenez100"><img src="https://avatars3.githubusercontent.com/u/22243493?v=4" width="100px;" alt=""/><br /><sub><b>Joshua Jimenez</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=jjjimenez100" title="Code">💻</a></td>
   </tr>
+  <tr>
+    <td align="center"><a href="https://about.me/dzmitryh"><img src="https://avatars2.githubusercontent.com/u/5390492?v=4" width="100px;" alt=""/><br /><sub><b>Dima Gubin</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=dzmitryh" title="Code">💻</a></td>
+  </tr>
 </table>
 
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