diff --git a/development/byacc/byacc.SlackBuild b/development/byacc/byacc.SlackBuild
index 4d1695241a..7f9daf8f52 100644
--- a/development/byacc/byacc.SlackBuild
+++ b/development/byacc/byacc.SlackBuild
@@ -2,7 +2,7 @@
 
 # Slackware build script for byacc
 
-# Copyright 2015-2017 Willy Sudiarto Raharjo <willysr@slackbuilds.org>
+# Copyright 2015-2018 Willy Sudiarto Raharjo <willysr@slackbuilds.org>
 # 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=byacc
-VERSION=${VERSION:-20170709}
+VERSION=${VERSION:-20180510}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
diff --git a/development/byacc/byacc.info b/development/byacc/byacc.info
index 74c5bc58a0..fe613cfeeb 100644
--- a/development/byacc/byacc.info
+++ b/development/byacc/byacc.info
@@ -1,8 +1,8 @@
 PRGNAM="byacc"
-VERSION="20170709"
+VERSION="20180510"
 HOMEPAGE="http://invisible-island.net/byacc/"
 DOWNLOAD="http://invisible-island.net/datafiles/release/byacc.tar.gz"
-MD5SUM="46b11b03160dc318001c9f68c08ccf18"
+MD5SUM="97fdc0745e0ff0cef5c09d57d0c6752d"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""