diff --git a/build_appimage.sh b/build_appimage.sh
index 231acbb..64a0cd3 100755
--- a/build_appimage.sh
+++ b/build_appimage.sh
@@ -59,6 +59,7 @@ cp -a /usr/lib64/qt5/qml/QtQuick.2 appdir/usr/qml
 cp /usr/lib64/libsoftokn3.* appdir/usr/lib
 cp /usr/lib64/libnsspem.so appdir/usr/lib
 cp /usr/lib64/libfreebl* appdir/usr/lib
+cp -a /usr/lib64/liblzma* appdir/usr/lib
 cp /etc/pki/tls/certs/ca-bundle.crt appdir/usr/ssl/cacert.pem
 
 #modify the desktop file so that linuxdeployqt doesn't barf (version to 1.0, add semicolon to end of certain line types)
diff --git a/hudson_mac_package_release.rb b/hudson_mac_package_release.rb
index 1640d10..0f18ad8 100755
--- a/hudson_mac_package_release.rb
+++ b/hudson_mac_package_release.rb
@@ -117,6 +117,9 @@ otherLibs.each do |l|
   `cp #{$prefixDir}/lib/lib#{l}.dylib #{$frameworksDir}`
 end
 
+# copy LibLZMA from Homebrew XZ
+`cp /usr/local/liblzma.dylib #{$frameworksDir}`
+
 $osgPlugins.each do |p|
   pluginFile = "osgdb_#{p}.dylib"
   `cp #{$prefixDir}/lib/osgPlugins/#{pluginFile} #{osgPluginsDir}`