diff --git a/README.md b/README.md
index 485d567b..8f8834ff 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 
+[![All Contributors](https://img.shields.io/badge/all_contributors-43-orange.svg?style=flat-square)](#contributors)
 [![Build Status](https://travis-ci.com/senorprogrammer/wtf.svg?branch=master)](https://travis-ci.com/senorprogrammer/wtf)
 [![Gitter Chat](https://badges.gitter.im/wtfutil/Lobby.svg)](https://gitter.im/wtfutil/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![Twitter](https://img.shields.io/badge/follow-on%20twitter-blue.svg)](https://twitter.com/wtfutil)
@@ -51,6 +52,18 @@ please be sure to use `dep` to [vendor your dependencies](https://golang.github.
 
 ## Contributors
 
+<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+<!-- prettier-ignore -->
+| [<img src="https://avatars0.githubusercontent.com/u/6413?v=4" width="48px;"/><br /><sub><b>Chris Cummer</b></sub>](https://twitter.com/senorprogrammer)<br /> | [<img src="https://avatars2.githubusercontent.com/u/3252403?v=4" width="48px;"/><br /><sub><b>Anand Sudhir Prayaga</b></sub>](https://github.com/anandsudhir)<br /> | [<img src="https://avatars1.githubusercontent.com/u/34973359?v=4" width="48px;"/><br /><sub><b>Hossein Mehrabi</b></sub>](https://github.com/jeangovil)<br /> | [<img src="https://avatars0.githubusercontent.com/u/11779018?v=4" width="48px;"/><br /><sub><b>FengYa</b></sub>](https://github.com/Fengyalv)<br /> | [<img src="https://avatars2.githubusercontent.com/u/17337753?v=4" width="48px;"/><br /><sub><b>deltax</b></sub>](https://fluxionnetwork.github.io/fluxion/)<br /> | [<img src="https://avatars0.githubusercontent.com/u/1319630?v=4" width="48px;"/><br /><sub><b>Bill Keenan</b></sub>](https://github.com/BillKeenan)<br /> |
+| :---: | :---: | :---: | :---: | :---: | :---: |
+| [<img src="https://avatars2.githubusercontent.com/u/118081?v=4" width="48px;"/><br /><sub><b>June S</b></sub>](http://blog.sapara.com)<br /> | [<img src="https://avatars3.githubusercontent.com/u/16461061?v=4" width="48px;"/><br /><sub><b>liyiheng</b></sub>](https://github.com/XanthusL)<br /> | [<img src="https://avatars2.githubusercontent.com/u/9014288?v=4" width="48px;"/><br /><sub><b>baustinanki</b></sub>](https://github.com/baustinanki)<br /> | [<img src="https://avatars0.githubusercontent.com/u/371475?v=4" width="48px;"/><br /><sub><b>lucus lee</b></sub>](https://github.com/lixin9311)<br /> | [<img src="https://avatars1.githubusercontent.com/u/7537841?v=4" width="48px;"/><br /><sub><b>Mike Lloyd</b></sub>](https://github.com/mxplusb)<br /> | [<img src="https://avatars3.githubusercontent.com/u/10998?v=4" width="48px;"/><br /><sub><b>Sergio Rubio</b></sub>](http://rubiojr.rbel.co)<br /> |
+| [<img src="https://avatars3.githubusercontent.com/u/17374492?v=4" width="48px;"/><br /><sub><b>Farhad Farahi</b></sub>](https://github.com/FarhadF)<br /> | [<img src="https://avatars1.githubusercontent.com/u/634604?v=4" width="48px;"/><br /><sub><b>Lasantha Kularatne</b></sub>](http://lasantha.blogspot.com/)<br /> | [<img src="https://avatars1.githubusercontent.com/u/823331?v=4" width="48px;"/><br /><sub><b>Mark Old</b></sub>](https://github.com/dlom)<br /> | [<img src="https://avatars0.githubusercontent.com/u/5546718?v=4" width="48px;"/><br /><sub><b>flw</b></sub>](http://flw.tools/)<br /> | [<img src="https://avatars0.githubusercontent.com/u/6024927?v=4" width="48px;"/><br /><sub><b>David Barda</b></sub>](https://github.com/davebarda)<br /> | [<img src="https://avatars2.githubusercontent.com/u/4261980?v=4" width="48px;"/><br /><sub><b>Geoff Lee</b></sub>](https://github.com/matrinox)<br /> |
+| [<img src="https://avatars3.githubusercontent.com/u/1022918?v=4" width="48px;"/><br /><sub><b>George Opritescu</b></sub>](http://international.github.io)<br /> | [<img src="https://avatars3.githubusercontent.com/u/497310?v=4" width="48px;"/><br /><sub><b>Grazfather</b></sub>](https://twitter.com/Grazfather)<br /> | [<img src="https://avatars2.githubusercontent.com/u/1691120?v=4" width="48px;"/><br /><sub><b>Michael Cordell</b></sub>](http://www.mikecordell.com/)<br /> | [<img src="https://avatars2.githubusercontent.com/u/1215497?v=4" width="48px;"/><br /><sub><b>Patrick José Pereira</b></sub>](http://patrick.ibexcps.com)<br /> | [<img src="https://avatars2.githubusercontent.com/u/1483092?v=4" width="48px;"/><br /><sub><b>sherod taylor</b></sub>](https://github.com/sherodtaylor)<br /> | [<img src="https://avatars2.githubusercontent.com/u/3062663?v=4" width="48px;"/><br /><sub><b>Andrew Scott</b></sub>](http://cogentia.io)<br /> |
+| [<img src="https://avatars1.githubusercontent.com/u/12018440?v=4" width="48px;"/><br /><sub><b>Lassi Piironen</b></sub>](https://github.com/lsipii)<br /> | [<img src="https://avatars0.githubusercontent.com/u/14799210?v=4" width="48px;"/><br /><sub><b>BlackWebWolf</b></sub>](https://github.com/BlackWebWolf)<br /> | [<img src="https://avatars0.githubusercontent.com/u/1894885?v=4" width="48px;"/><br /><sub><b>andrewzolotukhin</b></sub>](https://github.com/andrewzolotukhin)<br /> | [<img src="https://avatars1.githubusercontent.com/u/8568280?v=4" width="48px;"/><br /><sub><b>Leon Stigter</b></sub>](https://retgits.github.io)<br /> | [<img src="https://avatars3.githubusercontent.com/u/21756?v=4" width="48px;"/><br /><sub><b>Amr Tamimi</b></sub>](https://tamimi.se)<br /> | [<img src="https://avatars3.githubusercontent.com/u/3717137?v=4" width="48px;"/><br /><sub><b>Jagdeep Singh</b></sub>](https://jagdeep.me)<br /> |
+| [<img src="https://avatars0.githubusercontent.com/u/889171?v=4" width="48px;"/><br /><sub><b>Lineu Felipe</b></sub>](https://github.com/darkSasori)<br /> | [<img src="https://avatars2.githubusercontent.com/u/159124?v=4" width="48px;"/><br /><sub><b>Konstantin</b></sub>](https://github.com/kvj)<br /> | [<img src="https://avatars2.githubusercontent.com/u/6044920?v=4" width="48px;"/><br /><sub><b>Brendan O'Leary</b></sub>](http://www.brendanoleary.com)<br /> | [<img src="https://avatars2.githubusercontent.com/u/1226441?v=4" width="48px;"/><br /><sub><b>bertl4398</b></sub>](https://github.com/bertl4398)<br /> | [<img src="https://avatars2.githubusercontent.com/u/6553695?v=4" width="48px;"/><br /><sub><b>Ferenc-</b></sub>](https://github.com/Ferenc-)<br /> | [<img src="https://avatars1.githubusercontent.com/u/952036?v=4" width="48px;"/><br /><sub><b>Rohan Verma</b></sub>](http://rohanverma.net)<br /> |
+| [<img src="https://avatars1.githubusercontent.com/u/19293566?v=4" width="48px;"/><br /><sub><b>Tim Fitzgerald</b></sub>](https://github.com/fimtitzgerald)<br /> | [<img src="https://avatars2.githubusercontent.com/u/1081051?v=4" width="48px;"/><br /><sub><b>Federico Ruggi</b></sub>](https://github.com/ruggi)<br /> | [<img src="https://avatars2.githubusercontent.com/u/7293328?v=4" width="48px;"/><br /><sub><b>Craig Woodward</b></sub>](https://github.com/ctwoodward)<br /> | [<img src="https://avatars3.githubusercontent.com/u/15367484?v=4" width="48px;"/><br /><sub><b>ReadmeCritic</b></sub>](https://twitter.com/ReadmeCritic)<br /> | [<img src="https://avatars0.githubusercontent.com/u/141402?v=4" width="48px;"/><br /><sub><b>Eugene</b></sub>](https://github.com/jdevelop)<br /> | [<img src="https://avatars1.githubusercontent.com/u/12983705?s=460&v=4" width="48px;"/><br /><sub><b>Kenny Wu</b></sub>](https://github.com/Trinergy)<br /> |
+| [<img src="https://avatars0.githubusercontent.com/u/538234?v=4" width="48px;"/><br /><sub><b>Renán Romero</b></sub>](http://www.romeroruiz.com)<br /> |
+<!-- ALL-CONTRIBUTORS-LIST:END -->
 
 Thanks goes to these wonderful people: