diff --git a/iacrcc/iacrcc.cls b/iacrcc/iacrcc.cls
index d988668..8038ffd 100644
--- a/iacrcc/iacrcc.cls
+++ b/iacrcc/iacrcc.cls
@@ -1,4 +1,4 @@
-\def\fileversion{0.65}
+\def\fileversion{0.66}
 \def\filedate{2024/04/09}
 
 \NeedsTeXFormat{LaTeX2e}[1995/12/01]
@@ -179,6 +179,10 @@
     \def\DIFadd#1{#1}%
     \def\DIFdel#1{}%
   }
+  % When the ulem package is loaded make sure to enable \normalem:
+  % this makes sure ulem does not replace italics with underlining
+  % in text emphasized by \emph, and to some extent by \em
+  \@ifpackageloaded{ulem}{\normalem}{}%
   % The hyperref package is used to handle cross-referencing commands in
   % LaTeX to produce hypertext links in the document. hyperref is fussy about
   % the order in which it is loaded, and the official documentation recommends
diff --git a/iacrcc/iacrdoc.pdf b/iacrcc/iacrdoc.pdf
index 7a16e36..66330d8 100644
Binary files a/iacrcc/iacrdoc.pdf and b/iacrcc/iacrdoc.pdf differ
diff --git a/iacrcc/iacrdoc.tex b/iacrcc/iacrdoc.tex
index d5d1aa9..b418ab7 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 (v0.65)}
+       subtitle = {iacrcc LaTeX Class Documentation (v0.66)}
       ]{How to Use the IACR Communications in Cryptology Class}
 
 \genericfootnote{This is a generic footnote produced with \cmd[...]{genericfootnote}.}