diff --git a/README.md b/README.md
index a4c1b564..0aa7db40 100644
--- a/README.md
+++ b/README.md
@@ -171,6 +171,7 @@ Say thanks!
 <tr>
 <td><img src="https://edent.github.io/SuperTinyIcons/images/svg/vivino.svg" width="125" title="Vivino" /><br>405 Bytes</td>
 <td><img src="https://edent.github.io/SuperTinyIcons/images/svg/apereo.svg" width="125" title="Apereo" /><br>474 Bytes</td>
+<td><img src="https://edent.github.io/SuperTinyIcons/images/svg/hackerone.svg" width="125" title="HackerOne" /><br>446 Bytes</td>
 </tr>
 </table>
 
diff --git a/images/reference/hackerone.png b/images/reference/hackerone.png
new file mode 100644
index 00000000..37c39c5e
Binary files /dev/null and b/images/reference/hackerone.png differ
diff --git a/images/reference/index.md b/images/reference/index.md
index 15506789..7aecc41f 100644
--- a/images/reference/index.md
+++ b/images/reference/index.md
@@ -108,3 +108,4 @@ Where possible this links to the organisation's brand guidelines page.
 | <img src="/images/svg/untappd.svg" width="256" />	| <img src="/images/reference/untappd.svg" width="256" />	| https://commons.wikimedia.org/wiki/File:Untappd.svg |
 | <img src="/images/svg/vivino.svg" width="256" />	| <img src="/images/reference/vivino.svg" width="256" />	| https://www.vivino.com/press |
 | <img src="/images/svg/apereo.svg" width="256" />	| <img src="/images/reference/apereo.png" width="256" />	| https://www.apereo.org |
+| <img src="/images/svg/hackerone.svg" width="256" />	| <img src="/images/reference/hackerone.png" width="256" />	| https://www.hackerone.com/branding |
diff --git a/images/svg/hackerone.svg b/images/svg/hackerone.svg
new file mode 100644
index 00000000..48004f97
--- /dev/null
+++ b/images/svg/hackerone.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+aria-label="HackerOne" role="img"
+viewBox="0 0 512 512"><rect
+width="512" height="512"
+rx="15%"
+fill="#fff"/><path d="M174 56c-10 1-23 5-25 16v367c2 9 11 15 20 16h14c9-2 20-7 21-17a116708 116708 0 0 0 0-366c-3-11-15-15-25-16h-5zM333 200c-7 1-13 2-17 5l-74 47c-4 3-5 8-5 12 2 12 8 21 17 27 7 4 18 7 25 2l29-19v165c3 10 12 15 21 17h10c9-2 19-5 23-14l1-3a18494 18494 0 0 0 0-222c-1-12-16-16-26-17h-4z"/></svg>
\ No newline at end of file
diff --git a/radius.html b/radius.html
index d0f7540d..b8ac90e3 100644
--- a/radius.html
+++ b/radius.html
@@ -84,7 +84,7 @@
 			'baidu',      'twitch',      'ok',         'pocket',     'stumbleupon',  'viber',
 			'workato',    'sketch',      'vlc',        'google_maps','access',       'ethereum',
 			'opencast', 'stackexchange', 'qq',         'vegetarian', 'gogcom',       'strava',
-			'ko-fi',      'untappd',     'vivino',     'apereo'
+			'ko-fi',      'untappd',     'vivino',     'apereo',     'hackerone'
 		 ];
 
 		var container = document.querySelector('.icons');