diff --git a/games/trackballs/trackballs.SlackBuild b/games/trackballs/trackballs.SlackBuild
index 44621ff08b..cad5b4bd50 100644
--- a/games/trackballs/trackballs.SlackBuild
+++ b/games/trackballs/trackballs.SlackBuild
@@ -6,6 +6,7 @@
 
 # Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
 
+# 20230107 bkw: update for v1.3.4.
 # 20211018 bkw:
 # - update for v1.3.3
 # - drop guile2.2 dependency (Slackware's guile 3 works OK)
@@ -18,7 +19,7 @@
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=trackballs
-VERSION=${VERSION:-1.3.3}
+VERSION=${VERSION:-1.3.4}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
@@ -40,9 +41,6 @@ TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 
-MUSICVER=${MUSICVER:-1.4}
-MUSICEXT=${MUSICEXT:-bz2}
-
 if [ "$ARCH" = "i586" ]; then
   SLKCFLAGS="-O2 -march=i586 -mtune=i686"
   LIBDIRSUFFIX=""
diff --git a/games/trackballs/trackballs.info b/games/trackballs/trackballs.info
index e66cd738b5..39a5ed71e8 100644
--- a/games/trackballs/trackballs.info
+++ b/games/trackballs/trackballs.info
@@ -1,8 +1,8 @@
 PRGNAM="trackballs"
-VERSION="1.3.3"
+VERSION="1.3.4"
 HOMEPAGE="https://trackballs.github.io/"
-DOWNLOAD="https://github.com/trackballs/trackballs/archive/v1.3.3/trackballs-1.3.3.tar.gz"
-MD5SUM="404c325211f7ea13339a693c91aa6bf2"
+DOWNLOAD="https://github.com/trackballs/trackballs/archive/v1.3.4/trackballs-1.3.4.tar.gz"
+MD5SUM="f6508956edfb14fde500f1adf272bdcf"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""