diff --git a/README.md b/README.md
index 973fb54..9ec1a0c 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,7 @@ The following are curated lists of academic accounts on Mastodon by discipline.
 - [Linguists](https://etherpad.wikimedia.org/p/mastodonlinguists)
 - [Literary Studies](https://docs.google.com/spreadsheets/d/172wtP1Upmv-uUoIAqgTFwP2-_cPdM0Egz5xkTGBbjZU/htmlview) (Google Spreadsheet)
 - [Marketing and Consumer Research](https://lpomfret.github.io/Mastodon-Marketing/)
+- [Mass Spec](https://sidhuk.github.io/Mastodon-TeamMassSpec/)
 - [Medical AI](https://docs.google.com/spreadsheets/d/1-m0s4lg1JKB6y0fVTbM298Ex8PnUzZVwPjQbJz3Rm4E/)
 - [Medieval History (Medievodons)](https://docs.google.com/spreadsheets/d/10OdDb5R0u-IQ331Xpom6X6fsArdJvXFt1X5K2dLudhU/) (Google Spreadsheet; [Form to add yourself](https://forms.gle/wv3pomSJhS4EWSb89))
 - [Meteorology & Weather](https://docs.google.com/spreadsheets/d/1_9V5q0bLYqPNnbcHzut0eyMGLGTkNXyK6LR-EDcpfdc/) (Google Spreadsheet) [Form to add yourself](https://docs.google.com/forms/d/e/1FAIpQLSfALCNv2I0WRmGpoNDn34PPDH0aHrqIdbWUGCkoFMmgQCbKzw/viewform)
@@ -105,6 +106,7 @@ There are also groups over on Mastodon that you can use to connect to fellow aca
 - [@julialang@a.gup.pe](https://a.gup.pe/u/julialang) (The Julia programming language)
 - [@law@a.gup.pe](https://a.gup.pe/u/law)
 - [@linguistics@a.gup.pe](https://a.gup.pe/u/linguistics)
+- [@massspec@a.gup.pe](https://a.gup.pe/u/massspec) (Mass Spectrometery Group - TeamMassSpec)
 - [@mechanobiology@a.gup.pe](https://a.gup.pe/u/mechanobiology)
 - [@medievodons@a.gup.pe](https://a.gup.pe/u/medievodons)
 - [@paleodons@a.gup.pe](https://a.gup.pe/u/paleodons)