diff --git a/libraries/libotr/libotr.SlackBuild b/libraries/libotr/libotr.SlackBuild
index fd3e36d75b..2ff7aa98f1 100644
--- a/libraries/libotr/libotr.SlackBuild
+++ b/libraries/libotr/libotr.SlackBuild
@@ -2,7 +2,7 @@
 
 # Slackware build script for libotr
 
-# Copyright 2007 by Guillermo Bonvehi (gbonvehi@gmail.com)
+# Copyright 2007-2013 by Guillermo Bonvehi (gbonvehi@gmail.com)
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -23,16 +23,14 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=libotr
-VERSION=3.2.0
+VERSION=4.0.0
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
-# Automatically determine the architecture we're building on:
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
     i?86) ARCH=i486 ;;
     arm*) ARCH=arm ;;
-    # Unless $ARCH is already set, use uname -m for all other archs:
        *) ARCH=$( uname -m ) ;;
   esac
 fi
@@ -71,6 +69,7 @@ CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 ./configure \
   --prefix=/usr \
+  --mandir=/usr/man \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --sysconfdir=/etc \
   --localstatedir=/var \
@@ -90,7 +89,7 @@ find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
 cp -a \
-  README AUTHORS COPYING* ChangeLog INSTALL NEWS UPGRADING Protocol-v2.html \
+  README AUTHORS COPYING* ChangeLog INSTALL NEWS UPGRADING Protocol-v3.html \
     $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
diff --git a/libraries/libotr/libotr.info b/libraries/libotr/libotr.info
index dfcb973543..08c3ba01dc 100644
--- a/libraries/libotr/libotr.info
+++ b/libraries/libotr/libotr.info
@@ -1,8 +1,8 @@
 PRGNAM="libotr"
-VERSION="3.2.0"
+VERSION="4.0.0"
 HOMEPAGE="http://www.cypherpunks.ca/otr/"
-DOWNLOAD="http://www.cypherpunks.ca/otr/libotr-3.2.0.tar.gz"
-MD5SUM="faba02e60f64e492838929be2272f839"
+DOWNLOAD="http://www.cypherpunks.ca/otr/libotr-4.0.0.tar.gz"
+MD5SUM="00979dca82d70383fcd1b01f3974363c"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""
diff --git a/libraries/libotr/slack-desc b/libraries/libotr/slack-desc
index c3f3c0c981..71ac3b5690 100644
--- a/libraries/libotr/slack-desc
+++ b/libraries/libotr/slack-desc
@@ -1,9 +1,9 @@
 # HOW TO EDIT THIS FILE:
-# The "handy ruler" below makes it easier to edit a package description.  Line
-# up the first '|' above the ':' following the base package name, and the '|'
-# on the right side marks the last column you can put a character in.  You must
-# make exactly 11 lines for the formatting to be correct.  It's also
-# customary to leave one space after the ':'.
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
 
       |-----handy-ruler------------------------------------------------------|
 libotr: libotr (OTR Messaging Library and Toolkit)