diff --git a/iacrcc/iacrcc.cls b/iacrcc/iacrcc.cls
index d61a690..7d1deb8 100644
--- a/iacrcc/iacrcc.cls
+++ b/iacrcc/iacrcc.cls
@@ -1,5 +1,5 @@
-\def\fileversion{0.59}
-\def\filedate{2024/02/14}
+\def\fileversion{0.60}
+\def\filedate{2024/03/24}
 
 \NeedsTeXFormat{LaTeX2e}[1995/12/01]
 \typeout{^^J  ***  LaTeX class for IACR Communications in Cryptology v\fileversion\space ***^^J}
@@ -923,6 +923,10 @@
   }
 \fi%!biblatex
 
+% xurl: Allow URL breaks at any alphanumerical character
+% Load xurl *after* biblatex to ensure the same behavior
+\RequirePackage{xurl}
+
 \global\let\@IACR@License\@empty%
 \newcommand\license[1]{%
   \gdef\@IACR@License{#1}%
diff --git a/iacrcc/iacrdoc.pdf b/iacrcc/iacrdoc.pdf
index 67e3e6e..aead62a 100644
Binary files a/iacrcc/iacrdoc.pdf and b/iacrcc/iacrdoc.pdf differ
diff --git a/iacrcc/iacrdoc.tex b/iacrcc/iacrdoc.tex
index 47b69f2..cfb6f03 100644
--- a/iacrcc/iacrdoc.tex
+++ b/iacrcc/iacrdoc.tex
@@ -30,7 +30,7 @@
 \def\BibLaTeX{Bib\LaTeX}
 
 \title[running  = {The iacrcc class},
-       subtitle = {iacrcc LaTeX Class Documentation (v0.59)}
+       subtitle = {iacrcc LaTeX Class Documentation (v0.60)}
       ]{How to Use the IACR Communications in Cryptology Class}
 
 \genericfootnote{This is a generic footnote produced with \cmd[...]{genericfootnote}.}
@@ -471,8 +471,8 @@ \section{Typesetting the Bibliography}
 from \url{http://www.dblp.org} or \url{https://cryptobib.di.ens.fr/}.
 All references should have DOIs if at all possible.
 
-You may use either \BibTeX\ or \BibLaTeX. If you use \BibTeX,
-then the \texttt{iacrcc} class will load the
+You must use either \BibTeX\ or \BibLaTeX; you may not format your own bibliography.
+If you use \BibTeX, then the \texttt{iacrcc} class will load the
 \verb+\bibliographystyle{alphaurl}+ style.  You may not change
 this. If you use \BibLaTeX, then this is done using
 \verb+\documentclass[biblatex]{iacrcc}+ instead of