diff --git a/VOTable.tex b/VOTable.tex
index 13a739c..87a8376 100644
--- a/VOTable.tex
+++ b/VOTable.tex
@@ -1161,7 +1161,7 @@ \subsection{Units}
 which is specified by the {\attr{unit}}
 attribute of the {\elem{FIELD}}.
 The syntax of the {\em unit} string SHOULD conform to
-the VOUnits specification, \citet{2014ivoa.spec.0523D};
+the VOUnits specification, \citet{2023ivoa.spec.1215G};
 this requires a string without blanks or spaces
 where multiplication is indicated by the symbol ``{\tt.}'',
 division by the symbol ``{\tt/}''
diff --git a/ivoatex b/ivoatex
index ffdbc09..088a809 160000
--- a/ivoatex
+++ b/ivoatex
@@ -1 +1 @@
-Subproject commit ffdbc0983d69ff1ecddf14e82dd71e4cf5ae4fa4
+Subproject commit 088a809c89bd1b020b32034e02746abd8eb6906a