diff --git a/README.md b/README.md
index 3044b254..86fb51fb 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
# Super Tiny Icons
-Under 1KB each! Super Tiny Web Icons are minuscule SVG versions of your favourite logos. There are currently 384 icons and the average size is _under_ 522 bytes!
+Under 1KB each! Super Tiny Web Icons are minuscule SVG versions of your favourite logos. There are currently 385 icons and the average size is _under_ 522 bytes!
The logos have a 512x512 viewbox, they will fit in a circle with radius 256. They will scale up and down to suit your needs.
@@ -327,269 +327,273 @@ Say thanks!
Malt 412 bytes
Manjaro 222 bytes
Markdown 418 bytes
+
mastercard 322 bytes
Mastodon 574 bytes
matrix 641 bytes
-
Mattermost 291 bytes
+
Mattermost 291 bytes
McDonald's 434 bytes
Medium 225 bytes
Meetup 502 bytes
Messenger 679 bytes
microformats 783 bytes
-
Microsoft 321 bytes
+
Microsoft 321 bytes
Minecraft 1002 bytes
MongoDB 353 bytes
MySQL 1007 bytes
NetBeans 521 bytes
NetBSD 419 bytes
-
Netflix 435 bytes
+
Netflix 435 bytes
NextCloud 250 bytes
NGINX 450 bytes
NHS 474 bytes
NixOS 528 bytes
Node.js 651 bytes
-
npm 277 bytes
+
npm 277 bytes
OK.ru 348 bytes
Olympic Rings 661 bytes
OnlyFans 401 bytes
OpenBenches 613 bytes
Open Bug Bounty 487 bytes
-
Opencast 294 bytes
+
Opencast 294 bytes
Open Collective 304 bytes
OpenCores 265 bytes
Open Source 278 bytes
OpenStreetMap 951 bytes
OpenVPN 278 bytes
-
Opera 293 bytes
+
Opera 293 bytes
Orcid 311 bytes
Origin 630 bytes
Outlook 876 bytes
Overcast 760 bytes
Overleaf 437 bytes
-
Patreon 205 bytes
+
Patreon 205 bytes
PayPal 495 bytes
PDF 650 bytes
PeerTube 278 bytes
Phone 574 bytes
PHP 573 bytes
-
Pinboard 241 bytes
+
Pinboard 241 bytes
Pinterest 508 bytes
Pixelfed 971 bytes
PlayStation 703 bytes
Plex 205 bytes
Pocket 293 bytes
-
Pocket Casts 263 bytes
+
Pocket Casts 263 bytes
Pop!_OS 427 bytes
Pornhub 811 bytes
Postman 730 bytes
PowerShell 992 bytes
Preact 333 bytes
-
Printer 272 bytes
+
Printer 272 bytes
Proton Mail 628 bytes
Python 544 bytes
QQ 924 bytes
quora 264 bytes
Raspberry Pi 954 bytes
-
React 339 bytes
+
React 339 bytes
Reddit 592 bytes
RedHat 534 bytes
Research Gate 866 bytes
Rockstar Games 838 bytes
Roundcube 514 bytes
-
RSS 276 bytes
+
RSS 276 bytes
Ruby 941 bytes
Ruby Gems 271 bytes
Ruby On Rails 447 bytes
Rust 985 bytes
Safari 685 bytes
-
Samsung 830 bytes
+
Samsung 830 bytes
Samsung Internet 312 bytes
Samsung 602 bytes
Samsung 867 bytes
Sass 501 bytes
Semaphore CI 446 bytes
-
Sentry 359 bytes
+
Sentry 359 bytes
Signal 423 bytes
Sketch 353 bytes
Skype 468 bytes
Slack 384 bytes
SlideShare 646 bytes
-
Snapchat 633 bytes
+
Snapchat 633 bytes
SOGo 824 bytes
Solidity 548 bytes
SoundCloud 944 bytes
Spotify 418 bytes
Square Cash 775 bytes
-
Stack Exchange 385 bytes
+
Stack Exchange 385 bytes
Stack Overflow 286 bytes
Steam 440 bytes
Stitcher 372 bytes
Strava 269 bytes
StumbleUpon 343 bytes
-
Sublime Merge 551 bytes
+
Sublime Merge 551 bytes
Sublime Text 589 bytes
SubscribeStar 584 bytes
Svelte 470 bytes
SVG 746 bytes
Swift 659 bytes
-
Symantec 596 bytes
+
Symantec 596 bytes
Symfony 609 bytes
taiga.io 731 bytes
tailwindCss 536 bytes
TATA 1009 bytes
Teamspeak 921 bytes
-
Telegram 476 bytes
+
Telegram 476 bytes
Terraform 284 bytes
This American Life 277 bytes
Threads 365 bytes
Threema 381 bytes
TikTok 388 bytes
-
Todoist 737 bytes
+
Todoist 737 bytes
Tox 479 bytes
Trello 261 bytes
TripAdvisor 691 bytes
Tumblr 251 bytes
TuneIn 570 bytes
-
Tutanota 522 bytes
+
Tutanota 522 bytes
Twilio 311 bytes
Twitch 271 bytes
Twitter 352 bytes
TypeScript 603 bytes
Uber 588 bytes
-
Ubiquiti 540 bytes
+
Ubiquiti 540 bytes
Ubisoft 504 bytes
Ubuntu 438 bytes
Udemy 289 bytes
Unicode 360 bytes
Untappd 395 bytes
-
Uphold 800 bytes
+
Uphold 800 bytes
Uplay 517 bytes
Upwork 484 bytes
Vagrant 537 bytes
Vegetarian 668 bytes
Venmo 271 bytes
-
Viber 692 bytes
+
Viber 692 bytes
Vim 754 bytes
Vimeo 332 bytes
Visual Studio Code 895 bytes
Vivino 279 bytes
VK 519 bytes
-
VLC 636 bytes
+
VLC 636 bytes
Vue 257 bytes
W3C 523 bytes
Wayland 905 bytes
WebAssembly 475 bytes
WebMention 261 bytes
-
WebToons 973 bytes
+
WebToons 973 bytes
WeChat 606 bytes
Wekan 966 bytes
WhatsApp 435 bytes
WHATWG 313 bytes
WiFi 562 bytes
-
Wikipedia 563 bytes
+
Wikipedia 563 bytes
Windows 226 bytes
Wire 256 bytes
WireGuard 948 bytes
WordPress 488 bytes
Workato 362 bytes
-
X 287 bytes
+
X 287 bytes
X11 756 bytes
XING 347 bytes
XMPP 726 bytes
Yahoo! 280 bytes
Yammer 464 bytes
-
Yarn 497 bytes
+
Yarn 497 bytes
Yelp 448 bytes
Yii 763 bytes
YouTube 333 bytes
Yubico 250 bytes
Zoom 515 bytes
+
+
+
Zorinos 254 bytes
diff --git a/REFERENCE.md b/REFERENCE.md
index 702faced..0c41a092 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -211,6 +211,7 @@ Mailchimp | | |
Manjaro | | | https://manjaro.org/img/logo.svg
Markdown | | | https://www.markdownguide.org/
+mastercard | | | https://www.mastercard.com/global/en.html
Mastodon | | | https://github.com/tootsuite/joinmastodon/blob/master/public/press-kit.zip
matrix | | |
Mattermost | | | https://www.mattermost.org/brand-guidelines/
diff --git a/images/reference/mastercard.png b/images/reference/mastercard.png
new file mode 100644
index 00000000..6a96c716
Binary files /dev/null and b/images/reference/mastercard.png differ
diff --git a/images/reference/mastercard.url b/images/reference/mastercard.url
new file mode 100644
index 00000000..6b96ef45
--- /dev/null
+++ b/images/reference/mastercard.url
@@ -0,0 +1 @@
+https://www.mastercard.com/global/en.html
\ No newline at end of file
diff --git a/images/svg/mastercard.svg b/images/svg/mastercard.svg
new file mode 100644
index 00000000..86fee036
--- /dev/null
+++ b/images/svg/mastercard.svg
@@ -0,0 +1,5 @@
+
\ No newline at end of file
| 