diff --git a/academic/btf/btf.SlackBuild b/academic/btf/btf.SlackBuild
index 39ef98cc23..619dcb650c 100644
--- a/academic/btf/btf.SlackBuild
+++ b/academic/btf/btf.SlackBuild
@@ -2,7 +2,7 @@
 
 # Slackware build script for BTF
 
-# Copyright 2013-2020 Kyle Guinn <elyk03@gmail.com>
+# Copyright 2013-2021 Kyle Guinn <elyk03@gmail.com>
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -26,8 +26,8 @@ PRGNAM=btf
 SRCNAM=SuiteSparse
 SUBDIR=BTF
 VERSION=${VERSION:-1.2.6}
-SRCVER=${SRCVER:-5.6.0}
-BUILD=${BUILD:-6}
+SRCVER=${SRCVER:-5.8.1}
+BUILD=${BUILD:-7}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
diff --git a/academic/btf/btf.info b/academic/btf/btf.info
index 0b80a8d5cc..df3056d279 100644
--- a/academic/btf/btf.info
+++ b/academic/btf/btf.info
@@ -1,8 +1,8 @@
 PRGNAM="btf"
 VERSION="1.2.6"
 HOMEPAGE="http://faculty.cse.tamu.edu/davis/suitesparse.html"
-DOWNLOAD="https://github.com/DrTimothyAldenDavis/SuiteSparse/archive/v5.6.0/SuiteSparse-5.6.0.tar.gz"
-MD5SUM="af8b97cbded4cd5c6672e878bc0c37c2"
+DOWNLOAD="https://github.com/DrTimothyAldenDavis/SuiteSparse/archive/v5.8.1/SuiteSparse-5.8.1.tar.gz"
+MD5SUM="c414679bbc9432a3def01b31ad921140"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="suitesparseconfig"