diff --git a/infrastructure_and_operations/upgrade_cycles.myco b/infrastructure_and_operations/upgrade_cycles.myco
index 46a37cf..3024e39 100644
--- a/infrastructure_and_operations/upgrade_cycles.myco
+++ b/infrastructure_and_operations/upgrade_cycles.myco
@@ -1,2 +1,41 @@
-patch cycle 2022-04-27 - lead by zico
+## patch cycle 2023-03-18 - lead by j3s
+
+alpine: 3.15 -> 3.17
+
+```
+upgrade these & make sure the corresponding services start back up:
+[ ] upgrade leckie.cyberia.club (ansible host)
+ [ ] no tests required, it doesn't do shit
+[ ] upgrade raaz.cyberia.club (nshc system)
+ [ ] access https://nshc-feedback.nullhex.com/
+[ ] upgrade legion.cyberia.club (postgres database)
+ [ ] turn off capsul on baikal
+ [ ] perform upgrade
+ [ ] turn capsul back on
+ [ ] test by making sure postgres is running
+[ ] upgrade rosewater.cyberia.club (sr.ht email list server)
+ NOTE: update forewent due to rosewater imminently falling off a big cliff (being decommissioned)
+[ ] upgrade mothership.cyberia.club (prometheus server)
+ [ ] access prometheus.cyberia.club
+[ ] upgrade comet.cyberia.club (owncast, jitsi)
+ [ ] access stream.cyberia.club and cafe.cyberia.club
+[ ] upgrade matrix.cyberia.club (debian, our matrix serv0r)
+ info: sometimes you may need to run "ufw reload" or similar to get matrix to work
+ [ ] test with https://federationtester.matrix.org/
+[ ] upgrade elliot.cyberia.club (debian, webserver, this wiki, goatcounter)
+ [ ] access cyberia.club
+ NOTE: prometheus was running on this server and not needed, so it has been uninstalled
+ NOTE: the internal mail system seems to be off, permission errors perhaps?
+[ ] upgrade paimon.cyberia.club (git server)
+ [ ] test by going to git.cyberia.club
+[ ] upgrade kindred.cyberia.club (mastodon server?? can this be deleted now??)
+ [ ] no test??? does this even do anything?\
+ NOTE: it complains about upgrading postgres as /usr/share/postgresql and /usr/bin/pg_config weren't symlinks, don't care because no-one seems to be using this box. Note for posterity
+[ ] upgrade domechild.cyberia.club (email server)
+ [ ] log into mail.nullhex.com with some account & send email
+ [ ] access nullhex.com
+```
+
+## patch cycle 2022-04-27 - lead by zico
+
```