diff --git a/CPackConfig.cmake b/CPackConfig.cmake
index ed09fd99..c1186624 100644
--- a/CPackConfig.cmake
+++ b/CPackConfig.cmake
@@ -18,7 +18,7 @@ set(CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSIO
 
 
 ### source generator
-set(CPACK_SOURCE_GENERATOR "TGZ")
+set(CPACK_SOURCE_GENERATOR "TXZ")
 set(CPACK_SOURCE_IGNORE_FILES "~$;[.]swp$;/[.]svn/;/[.]git/;.gitignore;/build/;/obj/;tags;cscope.*")
 set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")