diff --git a/psi-ms.obo b/psi-ms.obo
index 58089f1..0614fea 100644
--- a/psi-ms.obo
+++ b/psi-ms.obo
@@ -1,7 +1,7 @@
 format-version: 1.2
-data-version: 4.1.143
+data-version: 4.1.144
 date: 05:04:2024 13:22
-saved-by: Deepti Jaiswal Kundu
+saved-by: Joshua Klein
 auto-generated-by: OBO-Edit 2.3.1
 import: http://purl.obolibrary.org/obo/pato.obo
 import: http://purl.obolibrary.org/obo/stato.owl
@@ -22450,6 +22450,12 @@ name: timsTOF HT
 def: "Bruker Daltonics' timsTOF HT." [PSI:MS]
 is_a: MS:1003123 ! Bruker Daltonics timsTOF series
 
+[Term]
+id: MS:1003405
+name: mzRecal
+def: "MS1 recalibration using identified peptides as internal calibrants." [DOI:10.1093/bioinformatics/btab056, PMID:33538780, https://github.com/524D/mzrecal]
+is_a: MS:1001457 ! data processing software
+
 [Term]
 id: MS:4000000
 name: PSI-MS CV Quality Control Vocabulary