diff --git a/MANIFEST.in b/MANIFEST.in
index e7c46fc..4156b0d 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,6 @@
+include README.md
 include Makefile
 include requirements.txt
 include requirements-swh.txt
 include version.txt
+recursive-include swh/loader/git/tests/data *.xz
diff --git a/swh/loader/git/tests/__init__.py b/swh/loader/git/tests/__init__.py
new file mode 100644
index 0000000..e69de29