diff --git a/MANIFEST.in b/MANIFEST.in
index 744b439..b660cae 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,5 +2,6 @@ include CMakeLists.txt
 include FindLAPACKE.cmake
 include FindLAPACKEXT.cmake
 recursive-include src *
+recursive-exclude _skbuild *
 exclude src/ChangeLog
 exclude test/*
\ No newline at end of file