diff --git a/gis/OWSLib/OWSLib.SlackBuild b/gis/OWSLib/OWSLib.SlackBuild
index ff73519421..217ad4bbca 100644
--- a/gis/OWSLib/OWSLib.SlackBuild
+++ b/gis/OWSLib/OWSLib.SlackBuild
@@ -69,10 +69,8 @@ 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 {} \;
 
-python setup.py install --root=$PKG
-if $(python3 -c 'import sys' 2>/dev/null); then
-  python3 setup.py install --root=$PKG
-fi
+python2 setup.py install --root=$PKG
+python3 setup.py install --root=$PKG
 
 find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
diff --git a/gis/OWSLib/OWSLib.info b/gis/OWSLib/OWSLib.info
index c0a409bb56..95184e2fab 100644
--- a/gis/OWSLib/OWSLib.info
+++ b/gis/OWSLib/OWSLib.info
@@ -5,6 +5,6 @@ DOWNLOAD="https://github.com/geopython/OWSLib/archive/0.19.1/OWSLib-0.19.1.tar.g
 MD5SUM="198befd5de54cd909e2efbda45f73e1c"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="python-dateutil pytz lxml six"
+REQUIRES="python-dateutil python3-dateutil pytz lxml six python3-six"
 MAINTAINER="Benjamin Trigona-Harany"
 EMAIL="slackbuilds@jaxartes.net"