diff --git a/.all-contributorsrc b/.all-contributorsrc
index 86543ff6..e0cce370 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -27,6 +27,15 @@
         "design",
         "code"
       ]
+    },
+    {
+      "login": "marhar",
+      "name": "Mark Harrison",
+      "avatar_url": "https://avatars.githubusercontent.com/u/7154?v=4",
+      "profile": "http://stackoverflow.com/users/116/mark-harrison",
+      "contributions": [
+        "ideas"
+      ]
     }
   ]
 }
diff --git a/README.md b/README.md
index 8f5531c2..6a331774 100644
--- a/README.md
+++ b/README.md
@@ -240,6 +240,7 @@ Please use the issue tracker on GitHub.
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/RenaLu"><img src="https://avatars.githubusercontent.com/u/12033704?v=4?s=100" width="100px;" alt="Rena Lu"/><br /><sub><b>Rena Lu</b></sub></a><br /><a href="#code-RenaLu" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://giessel.com"><img src="https://avatars.githubusercontent.com/u/1160997?v=4?s=100" width="100px;" alt="andrew giessel"/><br /><sub><b>andrew giessel</b></sub></a><br /><a href="#ideas-andrewgiessel" title="Ideas, Planning, & Feedback">🤔</a> <a href="#design-andrewgiessel" title="Design">🎨</a> <a href="#code-andrewgiessel" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="http://stackoverflow.com/users/116/mark-harrison"><img src="https://avatars.githubusercontent.com/u/7154?v=4?s=100" width="100px;" alt="Mark Harrison"/><br /><sub><b>Mark Harrison</b></sub></a><br /><a href="#ideas-marhar" title="Ideas, Planning, & Feedback">🤔</a></td>
     </tr>
   </tbody>
 </table>