diff --git a/appendices/dependencies.xml b/appendices/dependencies.xml
index 69232f239..eb600dc78 100644
--- a/appendices/dependencies.xml
+++ b/appendices/dependencies.xml
@@ -3079,7 +3079,7 @@
           <seg>
             <ulink url="&blfs-book;x/installing.html">Xorg</ulink>,
             <ulink url="&blfs-book;x/gtk2.html">GTK+2</ulink>,
-            <ulink url="http://lesstif.sourceforge.net/">LessTif</ulink>,
+            <ulink url="https://lesstif.sourceforge.net/">LessTif</ulink>,
             <ulink url="&blfs-book;general/ruby.html">Ruby</ulink>, and
             <ulink url="&blfs-book;general/gpm.html">GPM</ulink>
           </seg>