diff --git a/dev/lang/duktape/ympbuild b/dev/lang/duktape/ympbuild
new file mode 100644
index 00000000..47ac58ef
--- /dev/null
+++ b/dev/lang/duktape/ympbuild
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+name='duktape'
+release='1'
+version='2.7.0'
+url='https://duktape.org'
+description='Embeddable Javascript engine'
+email='akarsu@protonmail.com'
+maintainer='akarsu'
+license=('MIT')
+source=("https://duktape.org/$name-$version.tar.xz")
+depends=(glibc)
+makedepends=()
+md5sums=('b3200b02ab80125b694bae887d7c1ca6')
+group=(dev.lang)
+uses=()
+arch=('x86_64')
+
+cd $name-$version
+
+_make() (
+    make -f Makefile.sharedlibrary INSTALL_PREFIX=/usr "$@"
+)
+
+build(){
+    _make
+}
+
+package(){
+    _make DESTDIR="$DESTDIR" install
+    install -Dt "$DESTDIR/usr/share/licenses/$name" -m644 LICENSE.txt 
+}
+
diff --git a/lxde/base/lxsession/ympbuild b/lxde/base/lxsession/ympbuild
index 67471ad0..8283bfa4 100644
--- a/lxde/base/lxsession/ympbuild
+++ b/lxde/base/lxsession/ympbuild
@@ -1,27 +1,29 @@
 #!/usr/bin/env bash
 name='lxsession'
 release='1'
-version='0.5.5-2'
-url='https://salsa.debian.org/lxde-team/lxsession'
-description='LXDE session manager'
-email='bayramk@gmail.com'
-maintainer='bk'
-license=('GPLv3')
-source=("https://salsa.debian.org/lxde-team/lxsession/-/archive/debian/0.5.5-2/lxsession-debian-0.5.5-2.tar.gz")
-depends=()
-makedepends=()
-md5sums=('57c0a337a43c256d15962a07667107d3')
+version='0.5.5'
+url='https://lxde.org'
+description='Lightweight X11 session manager'
+email='akarsu@protonmail.com'
+maintainer='akarsu'
+license=('GPL2')
+source=("https://downloads.sourceforge.net/lxde/$name-$version.tar.xz")
+depends=(gtk3 polkit)
+makedepends=(intltool vala docbook-xsl)
+md5sums=('e8380acef215ee7c99c067a2241c2c7b')
 group=(lxde.base)
 uses=()
 arch=('x86_64')
 
-cd $name-debian-$version
-
+cd $name-$version
+rm *.stamp
 setup(){
-	autoreconf -fvi
-    ./configure --prefix=/usr \
-        --libdir=/usr/lib64/ \
-        --enable-gtk3 
+    autoreconf -fvi
+    ./configure --sysconfdir=/etc \
+        --libexecdir=/usr/lib \
+        --enable-gtk3 \
+        --prefix=/usr \
+        --libdir=/usr/lib64/
 }
 
 build(){
@@ -29,6 +31,9 @@ build(){
 }
 
 package(){
-    make install $jobs
+    make  DESTDIR="$DESTDIR" install $jobs
+    # Ignore package by AppStream to avoid duplicated IDs
+    echo 'X-AppStream-Ignore=true' >> "$DESTDIR/usr/share/applications/lxsession-default-apps.desktop"
+    echo 'X-AppStream-Ignore=true' >> "$DESTDIR/usr/share/applications/lxsession-edit.desktop"
 }
 
diff --git a/sys/auth/polkit/ympbuild b/sys/auth/polkit/ympbuild
new file mode 100644
index 00000000..87eeb0c9
--- /dev/null
+++ b/sys/auth/polkit/ympbuild
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+name='polkit'
+release='1'
+version='122'
+url='https://gitlab.freedesktop.org/polkit/polkit'
+description='Application development toolkit for controlling system-wide privileges'
+email='akarsu@protonmail.com'
+maintainer='akarsu'
+license=('GPLv3')
+source=("https://gitlab.freedesktop.org/polkit/polkit/-/archive/$version/polkit-$version.tar.gz")
+depends=(duktape expat glib pam elogind)
+makedepends=(git gobject-introspection gtk-doc meson)
+md5sums=('bbe3e745fc5bc1a41f1b5044f09a0f26')
+group=(sys.auth)
+uses=()
+arch=('x86_64')
+
+cd $name-$version
+
+setup(){
+    meson setup build --prefix=/usr \
+        --libdir=/usr/lib64/
+}
+
+build(){
+    ninja -C build $jobs
+}
+
+package(){
+    ninja -C build install $jobs
+}
+