diff --git a/MANIFEST.in b/MANIFEST.in
index 807e2e9..14964a9 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,5 +1,6 @@
 include Makefile
 include requirements*.txt
 include version.txt
 include README.md
 recursive-include swh py.typed
+recursive-include swh/loader/bzr/tests/data/ *