diff --git a/dpkg/dpkg.SlackBuild b/dpkg/dpkg.SlackBuild
index 8d36871..341b69f 100644
--- a/dpkg/dpkg.SlackBuild
+++ b/dpkg/dpkg.SlackBuild
@@ -25,7 +25,7 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=dpkg
-VERSION=${VERSION:-1.21.1}
+VERSION=${VERSION:-1.22.6}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_EXs}
 
@@ -67,9 +67,9 @@ cd $PRGNAM-$VERSION
 chown -R root:root .
 find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
-  -o -perm 511 \) -exec chmod 755 {} \; -o \
+  -o -perm 511 \) -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
-  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \+
 
 CFLAGS="-g $SLKFLAGS -rdynamic" \
 LDFLAGS="-rdynamic -Wl,--export-dynamic -Wl,-E -Wl,--no-as-needed -Wl,-O2" \
@@ -92,18 +92,17 @@ make install DESTDIR=$PKG
 find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
-find $PKG/usr/man -type f -exec gzip -9 {} \;
+find $PKG/usr/man -type f -exec gzip -9 {} \+
 for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
 
 DOCS="debian/changelog debian/README.bug-usertags doc/README* ABOUT-NLS \
 AUTHORS COPYING NEWS README* THANKS TODO"
 
-mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+install -Dpm 0644 $CWD/$PRGNAM.SlackBuild $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 cp $DOCS $PKG/usr/doc/$PRGNAM-$VERSION
-cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
-mkdir -p $PKG/install
-cat $CWD/slack-desc > $PKG/install/slack-desc
+install -Dpm 0644 $CWD/slack-desc $PKG/install/slack-desc
+install -Dpm 0644 $CWD/slack-required $PKG/install/slack-required
 
 cd $PKG
 /sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
diff --git a/dpkg/dpkg.info b/dpkg/dpkg.info
index f4f9fe8..08bb8e3 100644
--- a/dpkg/dpkg.info
+++ b/dpkg/dpkg.info
@@ -1,8 +1,8 @@
 PRGNAM="dpkg"
-VERSION="1.21.1"
+VERSION="1.22.6"
 HOMEPAGE="https://wiki.debian.org/Teams/Dpkg"
-DOWNLOAD="http://ftp.debian.org/debian/pool/main/d/dpkg/dpkg_1.21.1.tar.xz"
-MD5SUM="cbe2c7e27d5bdfe976217e976c53e8c8"
+DOWNLOAD="http://ftp.debian.org/debian/pool/main/d/dpkg/dpkg_1.22.6.tar.xz"
+MD5SUM="595ba2badfa81bb2915b7bca08a5c245"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""
diff --git a/dpkg/slack-required b/dpkg/slack-required
new file mode 100644
index 0000000..39715cb
--- /dev/null
+++ b/dpkg/slack-required
@@ -0,0 +1,2 @@
+libmd
+