diff --git a/python/python3-kiwisolver/README b/python/python3-kiwisolver/README
index 539a84662d..33dd7e0d0c 100644
--- a/python/python3-kiwisolver/README
+++ b/python/python3-kiwisolver/README
@@ -8,3 +8,6 @@ improvement. Memory savings are consistently > 5x.
 
 This is the Python 3 version of kiwisolver and will coexist with SBo's
 kiwisolver package.
+
+python3-kiwisolver 1.4.1 is the last possible version for Slackware
+15.0. Newer versions would require a newer python-setuptools.
diff --git a/python/python3-kiwisolver/python3-kiwisolver.SlackBuild b/python/python3-kiwisolver/python3-kiwisolver.SlackBuild
index 390af3b7d3..dc508a2611 100644
--- a/python/python3-kiwisolver/python3-kiwisolver.SlackBuild
+++ b/python/python3-kiwisolver/python3-kiwisolver.SlackBuild
@@ -28,7 +28,7 @@ cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=python3-kiwisolver
 SRCNAM=kiwisolver
-VERSION=${VERSION:-1.4.3}
+VERSION=${VERSION:-1.4.1}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
@@ -68,9 +68,6 @@ 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 {} \;
 
-# Workaround - ensure egg.info folder is named kiwisolver-1.4.3-py3.9-egg.info  
-sed -i "/setup(/a \   \ name=\'kiwisolver\'," setup.py
-
 python3 setup.py install --root $PKG
 
 find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
diff --git a/python/python3-kiwisolver/python3-kiwisolver.info b/python/python3-kiwisolver/python3-kiwisolver.info
index 9d67f3b53c..aea7dde3da 100644
--- a/python/python3-kiwisolver/python3-kiwisolver.info
+++ b/python/python3-kiwisolver/python3-kiwisolver.info
@@ -1,10 +1,10 @@
 PRGNAM="python3-kiwisolver"
-VERSION="1.4.3"
+VERSION="1.4.1"
 HOMEPAGE="https://github.com/nucleic/kiwi"
-DOWNLOAD="https://github.com/nucleic/kiwi/releases/download/1.4.3/kiwisolver-1.4.3.tar.gz"
-MD5SUM="73a4e57c33ded99dbe9a5cabca5be04b"
+DOWNLOAD="https://github.com/nucleic/kiwi/releases/download/1.4.1/kiwisolver-1.4.1.tar.gz"
+MD5SUM="a9ad45ee855ad59bb4625a4daa76ad51"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="cppy"
+REQUIRES="cppy wheel"
 MAINTAINER="Isaac Yu"
 EMAIL="isaacyu1@isaacyu1.com"