diff --git a/desktop/gnome/base/yelp-xsl/actions.py b/desktop/gnome/base/yelp-xsl/actions.py
index 07bfb2e21f..7eb79f6380 100755
--- a/desktop/gnome/base/yelp-xsl/actions.py
+++ b/desktop/gnome/base/yelp-xsl/actions.py
@@ -6,14 +6,16 @@
 
 from pisi.actionsapi import autotools
 from pisi.actionsapi import pisitools
+from pisi.actionsapi import mesontools
+from pisi.actionsapi import get
 
 def setup():
-    autotools.configure()
+    mesontools.configure()
 
 def build():
-    autotools.make()
+    mesontools.build()
 
 def install():
-    autotools.install()
+    mesontools.install()
 
-    pisitools.dodoc("AUTHORS", "ChangeLog", "COPYING*", "NEWS", "README*")
+    pisitools.dodoc("AUTHORS", "COPYING*", "NEWS", "README*")
diff --git a/desktop/gnome/base/yelp-xsl/pspec.xml b/desktop/gnome/base/yelp-xsl/pspec.xml
index 49976d9d0b..6211e1d6cb 100755
--- a/desktop/gnome/base/yelp-xsl/pspec.xml
+++ b/desktop/gnome/base/yelp-xsl/pspec.xml
@@ -13,10 +13,11 @@
         <IsA>data</IsA>
         <Summary>Yelp XSLT Stylesheets</Summary>
         <Description>Package of yelp-xsl contains XSL stylesheets that are used by the yelp help browser.</Description>
-        <Archive sha1sum="f359a3439044f9fbc7ab094e455e5d3bc16e97b0" type="tarxz">mirrors://gnome/yelp-xsl/42/yelp-xsl-42.1.tar.xz</Archive>
+        <Archive sha1sum="7ff8ee75925e01b1ea80c12050866d8df6af25eb" type="tarxz">mirrors://gnome/yelp-xsl/42/yelp-xsl-42.4.tar.xz</Archive>
         <BuildDependencies>
-            <Dependency>libxml2-devel</Dependency>
+            <Dependency>meson</Dependency>
             <Dependency>itstool</Dependency>
+            <Dependency>libxml2-devel</Dependency>
         </BuildDependencies>
     </Source>
 
@@ -41,6 +42,13 @@
     </Package>
 
     <History>
+        <Update release="9">
+            <Date>2025-06-19</Date>
+            <Version>42.4</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Pisi Linux Community</Name>
+            <Email>admin@pisilinux.org</Email>
+        </Update>
         <Update release="8">
             <Date>2025-04-05</Date>
             <Version>42.1</Version>
diff --git a/desktop/gnome/base/yelp/actions.py b/desktop/gnome/base/yelp/actions.py
index 83bdce8c25..0beee97060 100644
--- a/desktop/gnome/base/yelp/actions.py
+++ b/desktop/gnome/base/yelp/actions.py
@@ -6,19 +6,17 @@
 
 from pisi.actionsapi import autotools
 from pisi.actionsapi import pisitools
+from pisi.actionsapi import mesontools
 from pisi.actionsapi import get
 
 def setup():
-    autotools.configure("--disable-static \
-                         --enable-gtk-doc \
-                         --enable-compile-warnings=minimum")
+    mesontools.configure()
 
-    pisitools.dosed("libtool", " -shared ", " -Wl,-O1,--as-needed -shared ")
 
 def build():
-    autotools.make()
+    mesontools.build()
 
 def install():
-    autotools.rawInstall("DESTDIR=%s" % get.installDIR())
+    mesontools.install()
 
     pisitools.dodoc("COPYING", "TODO", "README*", "NEWS", "ChangeLog", "AUTHORS")
diff --git a/desktop/gnome/base/yelp/pspec.xml b/desktop/gnome/base/yelp/pspec.xml
index 604f406b8c..b5d338a799 100644
--- a/desktop/gnome/base/yelp/pspec.xml
+++ b/desktop/gnome/base/yelp/pspec.xml
@@ -14,6 +14,7 @@
         <Description>Yelp is a help viewer which serves as a DocBook viewer, a man page viewer, and an info page viewer.</Description>
         <Archive sha1sum="264610a44818e7d552c967d206366dadb0ff05e6" type="tarxz">mirrors://gnome/yelp/42/yelp-42.3.tar.xz</Archive>
         <BuildDependencies>
+            <Dependency>meson</Dependency>
             <Dependency>itstool</Dependency>
             <Dependency>gtk-doc</Dependency>
             <Dependency>intltool</Dependency>