diff --git a/misc/po4a/README b/misc/po4a/README
index ff0d43f0f7..12d67030e2 100644
--- a/misc/po4a/README
+++ b/misc/po4a/README
@@ -20,6 +20,7 @@ http://slackbuilds.org).
 
 Po4a-0.47
 |
+|-- perl-YAML-Tiny. Mandatory for the Yaml module.
 |-- perl-Module-Build
 |-- perl-text-WrapI18N to format po4a's warnings and error messages. Optional.
 |   |-- Text::CharWidth. Mandatory
diff --git a/misc/po4a/po4a.SlackBuild b/misc/po4a/po4a.SlackBuild
index f719763700..a80e00e7ef 100644
--- a/misc/po4a/po4a.SlackBuild
+++ b/misc/po4a/po4a.SlackBuild
@@ -2,7 +2,7 @@
 
 # Slackware build script for po4a
 
-# Copyright  2014,2015 Didier Spaier Paris, France
+# Copyright  2014, 2015, 2018 Didier Spaier Paris, France
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -28,7 +28,7 @@
 #          LC_ALL=en_US.utf8 ./po4a.SlackBuild
 
 PRGNAM=po4a
-VERSION=${VERSION:-0.47}
+VERSION=${VERSION:-0.53}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -36,7 +36,7 @@ SRCNAM="$(printf $PRGNAM | cut -d- -f2-)"
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
-    i?86) ARCH=i486 ;;
+    i?86) ARCH=i586 ;;
     arm*) ARCH=arm ;;
        *) ARCH=$( uname -m ) ;;
   esac
@@ -47,8 +47,8 @@ TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 
-if [ "$ARCH" = "i486" ]; then
-  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
   LIBDIRSUFFIX=""
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-O2 -march=i686 -mtune=i686"
@@ -89,16 +89,12 @@ perl Build.PL \
 find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
-mv $PKG/usr/share/man/ $PKG/usr/
-# All man pages are already gzipped.
-for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
-
 find $PKG -name perllocal.pod -o -name ".packlist" -o -name "*.bs" | xargs rm -f || true
 
 find $PKG -depth -type d -empty -delete || true
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
-cp -a COPYING NEWS README README.maintainers README.tests README.translators TODO \
+cp -a COPYING NEWS README* TODO \
   changelog $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
diff --git a/misc/po4a/po4a.info b/misc/po4a/po4a.info
index 13fa48cacc..6807bb0fd3 100644
--- a/misc/po4a/po4a.info
+++ b/misc/po4a/po4a.info
@@ -1,10 +1,10 @@
 PRGNAM="po4a"
-VERSION="0.47"
-HOMEPAGE="http://po4a.alioth.debian.org/"
-DOWNLOAD="https://alioth.debian.org/frs/download.php/file/4142/po4a-0.47.tar.gz"
-MD5SUM="fdbfe10c43c09bf1ea74ae91b5d82a96"
+VERSION="0.53"
+HOMEPAGE="https://po4a.org/"
+DOWNLOAD="https://github.com/mquinson/po4a/releases/download/v0.53/po4a-0.53.tar.gz"
+MD5SUM="5f0728b762352edce650ad0165e6a173"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="perl-Unicode-LineBreak perl-Module-Build"
+REQUIRES="perl-Unicode-LineBreak perl-Module-Build perl-YAML-Tiny"
 MAINTAINER="Didier Spaier"
 EMAIL="didier at slint dot fr"
diff --git a/misc/po4a/slack-desc b/misc/po4a/slack-desc
index 72d0020d1e..186dca00f6 100644
--- a/misc/po4a/slack-desc
+++ b/misc/po4a/slack-desc
@@ -12,8 +12,8 @@ po4a: po4a (PO for anything) eases translations and their maintenance,
 po4a: allowing gettext's usage on unexpected areas like documentation.
 po4a:
 po4a: In po4a each documentation format is handled by a module, that
-po4a: converts this format to/from PO. Formats included in po4a-0.45 are:
+po4a: converts this format to/from PO. Formats included in po4a-0.53 are:
 po4a: BibTex, Dia, Halibut, Kernelhelp, LaTeX, Man, POD, SGML, TeX,
-po4a: Texinfo, Text, WML, XHTML, XML.
+po4a: Texinfo, Text, WML, XHTML, XML, Yaml.
 po4a:
 po4a: