diff --git a/FlightGear.iss b/FlightGear.iss
index 9f12dec..4f3ef90 100755
--- a/FlightGear.iss
+++ b/FlightGear.iss
@@ -75,6 +75,7 @@ Source: "{#InstallDir64}\bin\*.*"; DestDir: "{app}\bin"; Excludes: "{#ExcludedBi
 ;Source: "{#InstallDir64}\share\locale\*"; DestDir: "{app}\bin\locale"; Flags: ignoreversion recursesubdirs; Check: Is64BitInstallMode
 
 Source: "{#ThirdPartyDir}\3rdParty.x64\bin\zlib.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
+Source: "{#ThirdPartyDir}\3rdParty.x64\bin\liblzma.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
 Source: "{#ThirdPartyDir}\3rdParty.x64\bin\OpenAL32.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
 Source: "{#ThirdPartyDir}\3rdParty.x64\bin\libpng.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
 Source: "{#ThirdPartyDir}\3rdParty.x64\bin\libcurl.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
diff --git a/build_appimage.sh b/build_appimage.sh
index 82b4f9f..db6a560 100755
--- a/build_appimage.sh
+++ b/build_appimage.sh
@@ -49,6 +49,7 @@ cp -a /usr/lib64/qt5/qml/QtQuick* 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 965d5da..ac97987 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}`