diff --git a/README.md b/README.md
index 446f3cf6..a46ba8d6 100644
--- a/README.md
+++ b/README.md
@@ -544,9 +544,11 @@ Say thanks!
 <td>WireGuard<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/wireguard.svg" width="100" title="WireGuard"><br>955 bytes</td>
 <td>WordPress<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/wordpress.svg" width="100" title="WordPress"><br>488 bytes</td>
 <td>Workato<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/workato.svg" width="100" title="Workato"><br>362 bytes</td>
+<td>X<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/x.svg" width="100" title="X"><br>289 bytes</td>
 <td>XING<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/xing.svg" width="100" title="XING"><br>347 bytes</td>
 <td>XMPP<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/xmpp.svg" width="100" title="XMPP"><br>726 bytes</td>
 <td>Yahoo!<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/yahoo.svg" width="100" title="Yahoo!"><br>280 bytes</td>
+<td>Yammer<br><img src="https://edent.github.io/SuperTinyIcons/images/svg/yammer.svg" width="100" title="Yammer"><br>464 bytes</td>
 </tr>
 
 <tr>
diff --git a/images/reference/index.md b/images/reference/index.md
index 988d9c8d..6805da44 100644
--- a/images/reference/index.md
+++ b/images/reference/index.md
@@ -10,6 +10,7 @@ Super&nbsp;Tiny&nbsp;SVG | &nbsp;&nbsp;Official&nbsp;Logo&nbsp;&nbsp; | Source
 -|-|-
 <img src="/images/svg/filestash.svg" width="256" /> | <img src="/images/reference/filestash.svg" width="256" /> | https://www.filestash.app/
 <img src="/images/svg/twitter.svg" width="256" /> | <img src="/images/reference/twitter.svg" width="256" /> | https://about.twitter.com/en/who-we-are/brand-toolkit
+<img src="/images/svg/x.svg" width="256" /> | <img src="/images/reference/x.svg" width="256" /> | https://about.twitter.com/en/who-we-are/brand-toolkit
 <img src="/images/svg/hackernews.svg" width="256" /> | <img src="/images/reference/hackernews.png" width="256" /> | https://www.ycombinator.com/favicon.ico
 <img src="/images/svg/flickr.svg" width="256" /> | <img src="/images/reference/flickr.png" width="256" /> | https://www.flickr.com/images/opensearch-flickr-logo.png
 <img src="/images/svg/facebook.svg" width="256" /> | <img src="/images/reference/facebook.svg" width="256" /> | https://en.facebookbrand.com/
diff --git a/images/reference/x.svg b/images/reference/x.svg
new file mode 100644
index 00000000..56368dd4
--- /dev/null
+++ b/images/reference/x.svg
@@ -0,0 +1,3 @@
+<svg width="1200" height="1227" viewBox="0 0 1200 1227" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M714.163 519.284L1160.89 0H1055.03L667.137 450.887L357.328 0H0L468.492 681.821L0 1226.37H105.866L515.491 750.218L842.672 1226.37H1200L714.137 519.284H714.163ZM569.165 687.828L521.697 619.934L144.011 79.6944H306.615L611.412 515.685L658.88 583.579L1055.08 1150.3H892.476L569.165 687.854V687.828Z" fill="black"/>
+</svg>
diff --git a/images/svg/x.svg b/images/svg/x.svg
new file mode 100644
index 00000000..d8ceeadc
--- /dev/null
+++ b/images/svg/x.svg
@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+aria-label="X" role="img"
+viewBox="0 0 512 512"><rect
+width="512" height="512"
+fill="#fff"/><path d="M281.7 234.3 382.2 120h-23.8l-87.3 99.2-69.7-99.2H121l105.4 150L121 389.9h23.8L237 285.1l73.6 104.8H391ZM153.4 137.5H190l168.4 235.6h-36.6Z"/></svg>
\ No newline at end of file