diff --git a/coursehandbook.cls b/coursehandbook.cls
index 9a02dd4..2984956 100644
--- a/coursehandbook.cls
+++ b/coursehandbook.cls
@@ -1,6 +1,6 @@
-\def\coursehandbookdate{12 June 2013}
-\def\coursehandbookversion{1.0.2}
-\def\coursehandbookshortdate{2013/06/12}
+\def\coursehandbookdate{6 December 2024}
+\def\coursehandbookversion{1.0.3}
+\def\coursehandbookshortdate{2024/12/06}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
 % Document class for course handbooks.
@@ -12,6 +12,7 @@
 % v1.0.1 Added siunitx to required packages.
 % v1.0.2 Modified header generation to translate short teaching period strings
 %        into long equivalents (e.g., "S1" => "Semester One").
+% v1.0.3 Replaced deprecated ifpdf and ifxetex with iftex.
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
@@ -19,8 +20,7 @@
 \ProvidesClass{coursehandbook}%
          [\coursehandbookshortdate\space v\coursehandbookversion\space INFO course handbook style]
 
-\RequirePackage{ifpdf}		% We support only PDFLaTeX and XeTeX.
-\RequirePackage{ifxetex}
+\RequirePackage{iftex}
 \RequirePackage{kvoptions}	% Key-value option handling.