diff --git a/network/haproxy/README b/network/haproxy/README
index 271fffc62c..e9f613f484 100644
--- a/network/haproxy/README
+++ b/network/haproxy/README
@@ -5,3 +5,6 @@ applications. It is particularly suited for very high traffic web sites.
 Note that a default configuration file is no longer provided at
 /etc/haproxy/haproxy.cfg. See /usr/doc/haproxy-*/examples for some
 sample configuration files.
+
+lua53 is an optional dependency for HAProxy. Pass LUA=yes to this script to
+enable lua support.
diff --git a/network/haproxy/haproxy.SlackBuild b/network/haproxy/haproxy.SlackBuild
index 8121bedf45..cfcb13e07b 100644
--- a/network/haproxy/haproxy.SlackBuild
+++ b/network/haproxy/haproxy.SlackBuild
@@ -2,7 +2,7 @@
 
 # Slackware build script for haproxy
 
-# Copyright 2017 T3slider <t3slider@gmail.com>
+# Copyright 2018 T3slider <t3slider@gmail.com>
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -23,7 +23,7 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=haproxy
-VERSION=${VERSION:-1.8.1}
+VERSION=${VERSION:-1.8.13}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -58,6 +58,9 @@ fi
 # use 'generic' instead
 TARGET=${TARGET:-linux2628}
 
+# Include lua support? (Requires lua53)
+LUA=${LUA:-no}
+
 set -e
 
 rm -rf $PKG
@@ -73,8 +76,11 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
-# Some may want to pass USE_LUA=1 to make, but note that this requires lua53,
-# not available from SBo
+LUAOPT=""
+if [ "$LUA" != "no" ]; then
+    LUAOPT="USE_LUA=1"
+fi
+
 make \
     TARGET=$TARGET \
     CFLAGS="$SLKCFLAGS" \
@@ -83,6 +89,7 @@ make \
     USE_OPENSSL=1 \
     USE_ZLIB=1 \
     USE_NS=1 \
+    $LUAOPT \
     EXTRA=""
 make install \
     PREFIX=/usr \
diff --git a/network/haproxy/haproxy.info b/network/haproxy/haproxy.info
index 1bf08bfdef..b25e1d7e47 100644
--- a/network/haproxy/haproxy.info
+++ b/network/haproxy/haproxy.info
@@ -1,8 +1,8 @@
 PRGNAM="haproxy"
-VERSION="1.8.1"
+VERSION="1.8.13"
 HOMEPAGE="https://www.haproxy.org/"
-DOWNLOAD="https://www.haproxy.org/download/1.8/src/haproxy-1.8.1.tar.gz"
-MD5SUM="e42892d4b6ee33200fccaa1d81837e49"
+DOWNLOAD="https://www.haproxy.org/download/1.8/src/haproxy-1.8.13.tar.gz"
+MD5SUM="bf0b437bad78f5824d7e26ae0c81fee4"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""