diff --git a/system/yelp-xsl/yelp-xsl.SlackBuild b/system/yelp-xsl/yelp-xsl.SlackBuild
index 0cc61ca040..fd89204b2c 100644
--- a/system/yelp-xsl/yelp-xsl.SlackBuild
+++ b/system/yelp-xsl/yelp-xsl.SlackBuild
@@ -2,7 +2,7 @@
 
 # Slackware build script for yelp-xsl
 
-# Copyright 2014-2016 Willy Sudiarto Raharjo <willysr@slackbuilds.org>
+# Copyright 2014-2021 Willy Sudiarto Raharjo <willysr@slackbuilds.org>
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -23,7 +23,7 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=yelp-xsl
-VERSION=${VERSION:-3.20.1}
+VERSION=${VERSION:-40.0}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
diff --git a/system/yelp-xsl/yelp-xsl.info b/system/yelp-xsl/yelp-xsl.info
index 378d681bc1..c15b0df277 100644
--- a/system/yelp-xsl/yelp-xsl.info
+++ b/system/yelp-xsl/yelp-xsl.info
@@ -1,8 +1,8 @@
 PRGNAM="yelp-xsl"
-VERSION="3.20.1"
-HOMEPAGE="http://projects.gnome.org/yelp/"
-DOWNLOAD="http://ftp.gnome.org/pub/GNOME/sources/yelp-xsl/3.20/yelp-xsl-3.20.1.tar.xz"
-MD5SUM="2332716e6e39125a942bc761a6f94211"
+VERSION="40.0"
+HOMEPAGE="https://projects.gnome.org/yelp/"
+DOWNLOAD="https://ftp.gnome.org/pub/GNOME/sources/yelp-xsl/40/yelp-xsl-40.0.tar.xz"
+MD5SUM="677051b60a188200a86ec0395e6af871"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""