diff --git a/libraries/PyYAML/PyYAML.SlackBuild b/libraries/PyYAML/PyYAML.SlackBuild
index 049f16169d..a585441223 100644
--- a/libraries/PyYAML/PyYAML.SlackBuild
+++ b/libraries/PyYAML/PyYAML.SlackBuild
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # Slackware build script for PyYAML
-# Copyright 2010  David Woodfall <dave@dawoodfall.net>
+# Copyright 2010-2019  David Woodfall <dave@dawoodfall.net>
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -22,8 +22,8 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=PyYAML
-VERSION=${VERSION:-3.11}
-BUILD=${BUILD:-2}
+VERSION=${VERSION:-3.13}
+BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -63,14 +63,14 @@ tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
 cd $PRGNAM-$VERSION
 chown -R root:root .
 find -L . \
- \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
- -exec chmod 755 {} \; -o \
- \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
- -exec chmod 644 {} \;
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
 python setup.py install --root=$PKG
 
-find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
diff --git a/libraries/PyYAML/PyYAML.info b/libraries/PyYAML/PyYAML.info
index 7b12da563d..6e9a691d6c 100644
--- a/libraries/PyYAML/PyYAML.info
+++ b/libraries/PyYAML/PyYAML.info
@@ -1,8 +1,8 @@
 PRGNAM="PyYAML"
-VERSION="3.11"
+VERSION="3.13"
 HOMEPAGE="https://pyyaml.org/"
-DOWNLOAD="https://pyyaml.org/download/pyyaml/PyYAML-3.11.tar.gz"
-MD5SUM="f50e08ef0fe55178479d3a618efe21db"
+DOWNLOAD="https://pyyaml.org/download/pyyaml/PyYAML-3.13.tar.gz"
+MD5SUM="b78b96636d68ac581c0e2f38158c224f"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""