diff --git a/lectures/otagoslides.cls b/lectures/otagoslides.cls
index 6226c03..4578024 100644
--- a/lectures/otagoslides.cls
+++ b/lectures/otagoslides.cls
@@ -1,4 +1,4 @@
-\def\filedate{17 July 2023}
+\def\filedate{11 August 2023}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
 % Document class for lecture slides.
@@ -11,12 +11,13 @@
 % v1.1    Added bibliography customisations.
 % v1.2    Switched to fontawesome5
 % v1.3    Revamped colour control
+% v1.3.1  fontawesome5 no longer defaults to regular style
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 \NeedsTeXFormat{LaTeX2e}[2001/06/01]
 \ProvidesClass{otagoslides}%
-         [2023/07/17 Otago lecture slides style, v.1.3]
+         [2023/08/11 Otago lecture slides style, v.1.3.1]
 
 
 % "Stream of conciousness" chapters vs. explicit individual classes. NOTE:
@@ -307,9 +308,6 @@
 \makeatother
 
 
-% Use regular style for fontawesome5.
-\faStyle{regular}
-
 % Bibliography customisations for beamer. Uses FontAwesome icons.
 % Use: \setbeamertemplate{bibliography item}[faArticle]
 \setbeamercolor{bibliography item}{use=normal text,fg=normal text.fg}