diff --git a/cmake/Package.cmake b/cmake/Package.cmake
index 95b9a03b..da65de71 100644
--- a/cmake/Package.cmake
+++ b/cmake/Package.cmake
@@ -3,5 +3,7 @@ if (UNIX)
     set (CPACK_PACKAGE_VERSION_MINOR ${BARRIER_VERSION_MINOR})
     set (CPACK_PACKAGE_VERSION_PATCH ${BARRIER_VERSION_PATCH})
     set (CPACK_GENERATOR "TBZ2")
+    set (CPACK_SOURCE_GENERATOR "TXZ")
+    set (CPACK_SOURCE_IGNORE_FILES "/build/;\.gitignore$;/\.git/;/.github/;\.swp$;build_env\.*")
     include (CPack)
 endif()