diff --git a/documentation/README.html b/documentation/README.html
index cdc02a6dc..7afd8fc65 100644
--- a/documentation/README.html
+++ b/documentation/README.html
@@ -152,6 +152,8 @@ Software requirements</h3>
 <blockquote><b>GNU make</b>
 <br>You must use GNU make, gnumake, for any EPICS builds. Set your
 path so that a gnumake version 3.78.1 or later is available.
+<p><b>gcc</b>
+<br>You must have gcc version 3.4.2 or later.
 <p><b>Perl</b>
 <br>You must have perl version 5.0 or later installed. The configure files
 do not specify the perl full pathname. You need the perl executable