diff --git a/MANIFEST.in b/MANIFEST.in
index ec22b21..295794c 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,3 +2,4 @@ include CHANGELOG LICENSE README setup.py MANIFEST.in
 recursive-include llvm *
 recursive-include www *
 recursive-include test *
+recursive-include tools *